Frequencies for first 10,000 rows of rn_fltm_cnt variable in pos2008 dataset : registered | nurse - | full time | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,021 80.21 80.21 .01 | 1 0.01 80.22 .07 | 1 0.01 80.23 .09 | 1 0.01 80.24 .11 | 3 0.03 80.27 .17 | 2 0.02 80.29 .23 | 8 0.08 80.37 .25 | 5 0.05 80.42 .27 | 1 0.01 80.43 .29 | 1 0.01 80.44 .36 | 1 0.01 80.45 .37 | 3 0.03 80.48 .4 | 1 0.01 80.49 .41 | 1 0.01 80.50 .46 | 32 0.32 80.82 .47 | 2 0.02 80.84 .5 | 1 0.01 80.85 .51 | 2 0.02 80.87 .53 | 1 0.01 80.88 .57 | 14 0.14 81.02 .59 | 2 0.02 81.04 .6 | 2 0.02 81.06 .61 | 2 0.02 81.08 .63 | 2 0.02 81.10 .66 | 1 0.01 81.11 .69 | 7 0.07 81.18 .7 | 2 0.02 81.20 .71 | 3 0.03 81.23 .73 | 1 0.01 81.24 .74 | 1 0.01 81.25 .75 | 3 0.03 81.28 .77 | 1 0.01 81.29 .79 | 1 0.01 81.30 .8 | 3 0.03 81.33 .84 | 3 0.03 81.36 .86 | 1 0.01 81.37 .87 | 2 0.02 81.39 .91 | 13 0.13 81.52 .93 | 1 0.01 81.53 .94 | 3 0.03 81.56 .96 | 1 0.01 81.57 .97 | 4 0.04 81.61 .99 | 3 0.03 81.64 1 | 91 0.91 82.55 1.01 | 2 0.02 82.57 1.03 | 14 0.14 82.71 1.04 | 2 0.02 82.73 1.06 | 3 0.03 82.76 1.07 | 5 0.05 82.81 1.09 | 1 0.01 82.82 1.1 | 3 0.03 82.85 1.11 | 3 0.03 82.88 1.13 | 3 0.03 82.91 1.14 | 139 1.39 84.30 1.15 | 1 0.01 84.31 1.16 | 3 0.03 84.34 1.17 | 2 0.02 84.36 1.19 | 2 0.02 84.38 1.2 | 6 0.06 84.44 1.21 | 2 0.02 84.46 1.23 | 5 0.05 84.51 1.24 | 4 0.04 84.55 1.25 | 13 0.13 84.68 1.26 | 10 0.10 84.78 1.27 | 2 0.02 84.80 1.29 | 2 0.02 84.82 1.3 | 3 0.03 84.85 1.31 | 1 0.01 84.86 1.33 | 7 0.07 84.93 1.34 | 1 0.01 84.94 1.36 | 2 0.02 84.96 1.37 | 5 0.05 85.01 1.39 | 3 0.03 85.04 1.4 | 2 0.02 85.06 1.41 | 2 0.02 85.08 1.43 | 1 0.01 85.09 1.44 | 1 0.01 85.10 1.46 | 3 0.03 85.13 1.47 | 2 0.02 85.15 1.49 | 2 0.02 85.17 1.5 | 57 0.57 85.74 1.51 | 2 0.02 85.76 1.54 | 2 0.02 85.78 1.56 | 2 0.02 85.80 1.57 | 1 0.01 85.81 1.59 | 2 0.02 85.83 1.6 | 12 0.12 85.95 1.61 | 3 0.03 85.98 1.63 | 4 0.04 86.02 1.64 | 2 0.02 86.04 1.66 | 1 0.01 86.05 1.69 | 1 0.01 86.06 1.7 | 1 0.01 86.07 1.71 | 13 0.13 86.20 1.73 | 1 0.01 86.21 1.74 | 2 0.02 86.23 1.75 | 9 0.09 86.32 1.76 | 1 0.01 86.33 1.77 | 1 0.01 86.34 1.79 | 2 0.02 86.36 1.8 | 1 0.01 86.37 1.81 | 3 0.03 86.40 1.83 | 7 0.07 86.47 1.84 | 2 0.02 86.49 1.89 | 3 0.03 86.52 1.91 | 1 0.01 86.53 1.93 | 1 0.01 86.54 1.94 | 6 0.06 86.60 1.96 | 3 0.03 86.63 1.97 | 2 0.02 86.65 1.99 | 1 0.01 86.66 2 | 89 0.89 87.55 2.01 | 2 0.02 87.57 2.03 | 2 0.02 87.59 2.04 | 2 0.02 87.61 2.06 | 15 0.15 87.76 2.07 | 4 0.04 87.80 2.09 | 2 0.02 87.82 2.11 | 1 0.01 87.83 2.13 | 1 0.01 87.84 2.14 | 2 0.02 87.86 2.16 | 3 0.03 87.89 2.17 | 5 0.05 87.94 2.19 | 2 0.02 87.96 2.2 | 1 0.01 87.97 2.21 | 1 0.01 87.98 2.23 | 3 0.03 88.01 2.24 | 2 0.02 88.03 2.25 | 7 0.07 88.10 2.26 | 3 0.03 88.13 2.27 | 2 0.02 88.15 2.29 | 57 0.57 88.72 2.3 | 3 0.03 88.75 2.31 | 1 0.01 88.76 2.33 | 1 0.01 88.77 2.34 | 3 0.03 88.80 2.36 | 1 0.01 88.81 2.37 | 2 0.02 88.83 2.39 | 1 0.01 88.84 2.4 | 4 0.04 88.88 2.41 | 4 0.04 88.92 2.43 | 5 0.05 88.97 2.44 | 3 0.03 89.00 2.46 | 3 0.03 89.03 2.47 | 3 0.03 89.06 2.49 | 2 0.02 89.08 2.5 | 29 0.29 89.37 2.51 | 3 0.03 89.40 2.53 | 1 0.01 89.41 2.54 | 1 0.01 89.42 2.56 | 2 0.02 89.44 2.57 | 7 0.07 89.51 2.59 | 6 0.06 89.57 2.6 | 2 0.02 89.59 2.61 | 4 0.04 89.63 2.63 | 5 0.05 89.68 2.64 | 3 0.03 89.71 2.66 | 2 0.02 89.73 2.69 | 2 0.02 89.75 2.7 | 2 0.02 89.77 2.71 | 3 0.03 89.80 2.73 | 1 0.01 89.81 2.74 | 10 0.10 89.91 2.75 | 4 0.04 89.95 2.76 | 1 0.01 89.96 2.77 | 1 0.01 89.97 2.79 | 3 0.03 90.00 2.8 | 2 0.02 90.02 2.81 | 3 0.03 90.05 2.83 | 1 0.01 90.06 2.84 | 1 0.01 90.07 2.86 | 2 0.02 90.09 2.87 | 1 0.01 90.10 2.89 | 2 0.02 90.12 2.9 | 1 0.01 90.13 2.91 | 3 0.03 90.16 2.93 | 1 0.01 90.17 2.94 | 3 0.03 90.20 2.96 | 2 0.02 90.22 2.97 | 4 0.04 90.26 3 | 39 0.39 90.65 3.01 | 2 0.02 90.67 3.03 | 2 0.02 90.69 3.06 | 2 0.02 90.71 3.09 | 2 0.02 90.73 3.1 | 1 0.01 90.74 3.11 | 2 0.02 90.76 3.13 | 1 0.01 90.77 3.14 | 3 0.03 90.80 3.17 | 2 0.02 90.82 3.19 | 1 0.01 90.83 3.2 | 8 0.08 90.91 3.21 | 4 0.04 90.95 3.24 | 4 0.04 90.99 3.25 | 8 0.08 91.07 3.26 | 4 0.04 91.11 3.29 | 5 0.05 91.16 3.3 | 1 0.01 91.17 3.31 | 1 0.01 91.18 3.33 | 2 0.02 91.20 3.36 | 2 0.02 91.22 3.37 | 1 0.01 91.23 3.39 | 4 0.04 91.27 3.4 | 1 0.01 91.28 3.41 | 2 0.02 91.30 3.42 | 1 0.01 91.31 3.43 | 38 0.38 91.69 3.44 | 1 0.01 91.70 3.46 | 2 0.02 91.72 3.47 | 3 0.03 91.75 3.49 | 2 0.02 91.77 3.5 | 8 0.08 91.85 3.51 | 1 0.01 91.86 3.53 | 3 0.03 91.89 3.54 | 1 0.01 91.90 3.56 | 6 0.06 91.96 3.57 | 4 0.04 92.00 3.59 | 1 0.01 92.01 3.6 | 6 0.06 92.07 3.61 | 2 0.02 92.09 3.63 | 3 0.03 92.12 3.64 | 1 0.01 92.13 3.66 | 5 0.05 92.18 3.67 | 1 0.01 92.19 3.7 | 1 0.01 92.20 3.71 | 2 0.02 92.22 3.73 | 2 0.02 92.24 3.74 | 1 0.01 92.25 3.75 | 1 0.01 92.26 3.76 | 1 0.01 92.27 3.77 | 8 0.08 92.35 3.79 | 2 0.02 92.37 3.8 | 1 0.01 92.38 3.83 | 1 0.01 92.39 3.84 | 1 0.01 92.40 3.86 | 3 0.03 92.43 3.89 | 2 0.02 92.45 3.9 | 1 0.01 92.46 3.91 | 1 0.01 92.47 3.93 | 2 0.02 92.49 3.94 | 2 0.02 92.51 3.96 | 1 0.01 92.52 3.97 | 3 0.03 92.55 3.99 | 1 0.01 92.56 4 | 24 0.24 92.80 4.01 | 1 0.01 92.81 4.03 | 4 0.04 92.85 4.04 | 4 0.04 92.89 4.06 | 1 0.01 92.90 4.07 | 3 0.03 92.93 4.09 | 3 0.03 92.96 4.1 | 2 0.02 92.98 4.11 | 4 0.04 93.02 4.14 | 2 0.02 93.04 4.16 | 1 0.01 93.05 4.17 | 3 0.03 93.08 4.19 | 2 0.02 93.10 4.2 | 4 0.04 93.14 4.21 | 2 0.02 93.16 4.23 | 2 0.02 93.18 4.24 | 5 0.05 93.23 4.25 | 5 0.05 93.28 4.26 | 1 0.01 93.29 4.27 | 1 0.01 93.30 4.29 | 5 0.05 93.35 4.3 | 3 0.03 93.38 4.31 | 1 0.01 93.39 4.33 | 2 0.02 93.41 4.34 | 1 0.01 93.42 4.36 | 4 0.04 93.46 4.37 | 2 0.02 93.48 4.39 | 2 0.02 93.50 4.4 | 2 0.02 93.52 4.41 | 2 0.02 93.54 4.43 | 1 0.01 93.55 4.46 | 8 0.08 93.63 4.47 | 1 0.01 93.64 4.49 | 4 0.04 93.68 4.5 | 9 0.09 93.77 4.51 | 2 0.02 93.79 4.53 | 1 0.01 93.80 4.56 | 1 0.01 93.81 4.57 | 21 0.21 94.02 4.59 | 3 0.03 94.05 4.6 | 3 0.03 94.08 4.61 | 1 0.01 94.09 4.64 | 2 0.02 94.11 4.66 | 2 0.02 94.13 4.67 | 2 0.02 94.15 4.69 | 3 0.03 94.18 4.7 | 1 0.01 94.19 4.73 | 1 0.01 94.20 4.74 | 1 0.01 94.21 4.75 | 1 0.01 94.22 4.76 | 3 0.03 94.25 4.77 | 1 0.01 94.26 4.79 | 1 0.01 94.27 4.8 | 17 0.17 94.44 4.81 | 1 0.01 94.45 4.83 | 1 0.01 94.46 4.86 | 1 0.01 94.47 4.87 | 3 0.03 94.50 4.89 | 1 0.01 94.51 4.9 | 2 0.02 94.53 4.91 | 1 0.01 94.54 4.94 | 3 0.03 94.57 4.96 | 3 0.03 94.60 4.97 | 4 0.04 94.64 4.99 | 2 0.02 94.66 5 | 22 0.22 94.88 5.01 | 2 0.02 94.90 5.03 | 2 0.02 94.92 5.04 | 2 0.02 94.94 5.06 | 1 0.01 94.95 5.09 | 3 0.03 94.98 5.1 | 1 0.01 94.99 5.11 | 1 0.01 95.00 5.13 | 2 0.02 95.02 5.14 | 5 0.05 95.07 5.16 | 1 0.01 95.08 5.17 | 1 0.01 95.09 5.19 | 1 0.01 95.10 5.23 | 2 0.02 95.12 5.24 | 2 0.02 95.14 5.25 | 3 0.03 95.17 5.26 | 3 0.03 95.20 5.29 | 1 0.01 95.21 5.31 | 2 0.02 95.23 5.33 | 2 0.02 95.25 5.34 | 2 0.02 95.27 5.36 | 1 0.01 95.28 5.37 | 2 0.02 95.30 5.39 | 1 0.01 95.31 5.4 | 1 0.01 95.32 5.43 | 4 0.04 95.36 5.49 | 3 0.03 95.39 5.5 | 2 0.02 95.41 5.54 | 1 0.01 95.42 5.56 | 3 0.03 95.45 5.59 | 2 0.02 95.47 5.64 | 2 0.02 95.49 5.66 | 1 0.01 95.50 5.71 | 9 0.09 95.59 5.73 | 1 0.01 95.60 5.74 | 1 0.01 95.61 5.77 | 4 0.04 95.65 5.8 | 1 0.01 95.66 5.83 | 4 0.04 95.70 5.86 | 3 0.03 95.73 5.87 | 1 0.01 95.74 5.89 | 3 0.03 95.77 5.93 | 2 0.02 95.79 5.94 | 1 0.01 95.80 5.97 | 1 0.01 95.81 5.99 | 1 0.01 95.82 6 | 11 0.11 95.93 6.01 | 1 0.01 95.94 6.04 | 2 0.02 95.96 6.06 | 5 0.05 96.01 6.07 | 1 0.01 96.02 6.09 | 1 0.01 96.03 6.1 | 4 0.04 96.07 6.11 | 1 0.01 96.08 6.14 | 1 0.01 96.09 6.17 | 3 0.03 96.12 6.2 | 1 0.01 96.13 6.21 | 1 0.01 96.14 6.23 | 3 0.03 96.17 6.25 | 3 0.03 96.20 6.26 | 2 0.02 96.22 6.27 | 1 0.01 96.23 6.29 | 2 0.02 96.25 6.3 | 3 0.03 96.28 6.31 | 1 0.01 96.29 6.33 | 1 0.01 96.30 6.34 | 3 0.03 96.33 6.36 | 1 0.01 96.34 6.37 | 1 0.01 96.35 6.4 | 4 0.04 96.39 6.43 | 1 0.01 96.40 6.44 | 2 0.02 96.42 6.47 | 2 0.02 96.44 6.49 | 1 0.01 96.45 6.5 | 1 0.01 96.46 6.53 | 1 0.01 96.47 6.56 | 1 0.01 96.48 6.57 | 5 0.05 96.53 6.6 | 4 0.04 96.57 6.63 | 2 0.02 96.59 6.66 | 3 0.03 96.62 6.7 | 1 0.01 96.63 6.71 | 1 0.01 96.64 6.74 | 2 0.02 96.66 6.76 | 1 0.01 96.67 6.77 | 1 0.01 96.68 6.79 | 1 0.01 96.69 6.8 | 2 0.02 96.71 6.81 | 1 0.01 96.72 6.83 | 1 0.01 96.73 6.86 | 7 0.07 96.80 6.89 | 1 0.01 96.81 6.91 | 1 0.01 96.82 6.93 | 1 0.01 96.83 6.94 | 2 0.02 96.85 6.97 | 2 0.02 96.87 7 | 3 0.03 96.90 7.01 | 1 0.01 96.91 7.03 | 1 0.01 96.92 7.06 | 2 0.02 96.94 7.07 | 1 0.01 96.95 7.1 | 1 0.01 96.96 7.11 | 2 0.02 96.98 7.13 | 1 0.01 96.99 7.14 | 4 0.04 97.03 7.17 | 1 0.01 97.04 7.2 | 1 0.01 97.05 7.23 | 2 0.02 97.07 7.25 | 3 0.03 97.10 7.29 | 2 0.02 97.12 7.31 | 3 0.03 97.15 7.33 | 1 0.01 97.16 7.34 | 2 0.02 97.18 7.36 | 1 0.01 97.19 7.4 | 3 0.03 97.22 7.43 | 1 0.01 97.23 7.47 | 1 0.01 97.24 7.49 | 2 0.02 97.26 7.51 | 1 0.01 97.27 7.53 | 3 0.03 97.30 7.56 | 1 0.01 97.31 7.57 | 2 0.02 97.33 7.6 | 3 0.03 97.36 7.63 | 1 0.01 97.37 7.64 | 1 0.01 97.38 7.66 | 4 0.04 97.42 7.67 | 1 0.01 97.43 7.69 | 2 0.02 97.45 7.71 | 4 0.04 97.49 7.73 | 2 0.02 97.51 7.77 | 1 0.01 97.52 7.83 | 1 0.01 97.53 7.84 | 1 0.01 97.54 7.86 | 1 0.01 97.55 7.87 | 1 0.01 97.56 7.89 | 2 0.02 97.58 7.97 | 1 0.01 97.59 7.99 | 1 0.01 97.60 8 | 9 0.09 97.69 8.01 | 1 0.01 97.70 8.04 | 1 0.01 97.71 8.06 | 1 0.01 97.72 8.07 | 1 0.01 97.73 8.09 | 1 0.01 97.74 8.1 | 1 0.01 97.75 8.14 | 1 0.01 97.76 8.17 | 1 0.01 97.77 8.19 | 1 0.01 97.78 8.2 | 1 0.01 97.79 8.21 | 1 0.01 97.80 8.23 | 1 0.01 97.81 8.26 | 1 0.01 97.82 8.29 | 1 0.01 97.83 8.33 | 1 0.01 97.84 8.36 | 2 0.02 97.86 8.4 | 1 0.01 97.87 8.5 | 1 0.01 97.88 8.54 | 1 0.01 97.89 8.56 | 1 0.01 97.90 8.57 | 1 0.01 97.91 8.6 | 1 0.01 97.92 8.61 | 1 0.01 97.93 8.67 | 1 0.01 97.94 8.69 | 1 0.01 97.95 8.7 | 2 0.02 97.97 8.73 | 2 0.02 97.99 8.76 | 1 0.01 98.00 8.8 | 1 0.01 98.01 8.84 | 1 0.01 98.02 8.9 | 1 0.01 98.03 8.94 | 1 0.01 98.04 8.99 | 2 0.02 98.06 9 | 2 0.02 98.08 9.01 | 1 0.01 98.09 9.03 | 2 0.02 98.11 9.04 | 1 0.01 98.12 9.1 | 1 0.01 98.13 9.11 | 1 0.01 98.14 9.14 | 2 0.02 98.16 9.17 | 1 0.01 98.17 9.31 | 1 0.01 98.18 9.36 | 1 0.01 98.19 9.39 | 1 0.01 98.20 9.43 | 1 0.01 98.21 9.49 | 1 0.01 98.22 9.56 | 2 0.02 98.24 9.57 | 1 0.01 98.25 9.59 | 2 0.02 98.27 9.6 | 2 0.02 98.29 9.63 | 1 0.01 98.30 9.67 | 1 0.01 98.31 9.7 | 2 0.02 98.33 9.71 | 1 0.01 98.34 9.76 | 2 0.02 98.36 9.77 | 2 0.02 98.38 9.81 | 1 0.01 98.39 9.94 | 1 0.01 98.40 10 | 3 0.03 98.43 10.06 | 1 0.01 98.44 10.17 | 1 0.01 98.45 10.26 | 1 0.01 98.46 10.29 | 3 0.03 98.49 10.34 | 1 0.01 98.50 10.43 | 2 0.02 98.52 10.46 | 2 0.02 98.54 10.51 | 3 0.03 98.57 10.63 | 1 0.01 98.58 10.67 | 1 0.01 98.59 10.71 | 2 0.02 98.61 10.73 | 1 0.01 98.62 10.74 | 1 0.01 98.63 10.75 | 2 0.02 98.65 10.79 | 1 0.01 98.66 10.86 | 1 0.01 98.67 10.89 | 1 0.01 98.68 10.91 | 1 0.01 98.69 10.97 | 1 0.01 98.70 11 | 2 0.02 98.72 11.06 | 1 0.01 98.73 11.1 | 1 0.01 98.74 11.11 | 1 0.01 98.75 11.14 | 1 0.01 98.76 11.21 | 1 0.01 98.77 11.23 | 1 0.01 98.78 11.3 | 1 0.01 98.79 11.33 | 1 0.01 98.80 11.4 | 1 0.01 98.81 11.41 | 1 0.01 98.82 11.43 | 3 0.03 98.85 11.47 | 1 0.01 98.86 11.5 | 1 0.01 98.87 11.51 | 1 0.01 98.88 11.57 | 1 0.01 98.89 11.61 | 1 0.01 98.90 11.64 | 3 0.03 98.93 11.67 | 1 0.01 98.94 11.77 | 1 0.01 98.95 11.79 | 1 0.01 98.96 11.83 | 1 0.01 98.97 11.89 | 1 0.01 98.98 11.91 | 2 0.02 99.00 11.93 | 1 0.01 99.01 11.99 | 1 0.01 99.02 12 | 1 0.01 99.03 12.29 | 1 0.01 99.04 12.33 | 1 0.01 99.05 12.34 | 1 0.01 99.06 12.37 | 1 0.01 99.07 12.47 | 1 0.01 99.08 12.5 | 1 0.01 99.09 12.59 | 2 0.02 99.11 12.66 | 1 0.01 99.12 12.67 | 1 0.01 99.13 12.74 | 1 0.01 99.14 12.79 | 1 0.01 99.15 12.94 | 1 0.01 99.16 13.1 | 1 0.01 99.17 13.11 | 1 0.01 99.18 13.14 | 1 0.01 99.19 13.25 | 1 0.01 99.20 13.61 | 1 0.01 99.21 13.66 | 1 0.01 99.22 13.71 | 1 0.01 99.23 13.79 | 1 0.01 99.24 14 | 4 0.04 99.28 14.01 | 1 0.01 99.29 14.1 | 1 0.01 99.30 14.17 | 1 0.01 99.31 14.33 | 1 0.01 99.32 14.4 | 1 0.01 99.33 14.43 | 1 0.01 99.34 14.74 | 1 0.01 99.35 14.86 | 1 0.01 99.36 14.89 | 1 0.01 99.37 14.91 | 1 0.01 99.38 14.93 | 1 0.01 99.39 15 | 2 0.02 99.41 15.01 | 1 0.01 99.42 15.1 | 1 0.01 99.43 15.19 | 1 0.01 99.44 15.36 | 1 0.01 99.45 15.47 | 1 0.01 99.46 15.87 | 1 0.01 99.47 15.94 | 1 0.01 99.48 16 | 3 0.03 99.51 16.34 | 1 0.01 99.52 16.41 | 1 0.01 99.53 17.39 | 1 0.01 99.54 17.41 | 1 0.01 99.55 18.26 | 1 0.01 99.56 18.29 | 1 0.01 99.57 18.4 | 1 0.01 99.58 18.41 | 1 0.01 99.59 19.51 | 1 0.01 99.60 19.66 | 1 0.01 99.61 19.67 | 1 0.01 99.62 19.71 | 1 0.01 99.63 20.71 | 2 0.02 99.65 20.74 | 1 0.01 99.66 21.4 | 1 0.01 99.67 21.49 | 1 0.01 99.68 21.53 | 1 0.01 99.69 21.8 | 1 0.01 99.70 22.94 | 1 0.01 99.71 23.21 | 1 0.01 99.72 23.66 | 1 0.01 99.73 24 | 2 0.02 99.75 24.06 | 1 0.01 99.76 25.57 | 1 0.01 99.77 26.5 | 1 0.01 99.78 27.14 | 1 0.01 99.79 27.49 | 1 0.01 99.80 29.01 | 1 0.01 99.81 30.41 | 1 0.01 99.82 32.94 | 1 0.01 99.83 40 | 2 0.02 99.85 42.24 | 1 0.01 99.86 47.54 | 1 0.01 99.87 48 | 1 0.01 99.88 80 | 2 0.02 99.90 85.71 | 1 0.01 99.91 186 | 1 0.01 99.92 192 | 1 0.01 99.93 322.86 | 1 0.01 99.94 342.86 | 1 0.01 99.95 351.43 | 1 0.01 99.96 364.29 | 1 0.01 99.97 697.14 | 1 0.01 99.98 1000 | 1 0.01 99.99 9000 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017