Frequencies for first 10,000 rows of crna_cnt variable in pos2005 dataset : certified | rn | anesthetist | s | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,802 98.02 98.02 .2 | 1 0.01 98.03 .25 | 9 0.09 98.12 .34 | 1 0.01 98.13 .5 | 7 0.07 98.20 .6 | 1 0.01 98.21 .75 | 1 0.01 98.22 1 | 59 0.59 98.81 1.2 | 2 0.02 98.83 1.25 | 1 0.01 98.84 1.5 | 4 0.04 98.88 1.75 | 2 0.02 98.90 2 | 29 0.29 99.19 2.75 | 1 0.01 99.20 3 | 7 0.07 99.27 3.25 | 1 0.01 99.28 4 | 3 0.03 99.31 4.2 | 1 0.01 99.32 4.5 | 1 0.01 99.33 4.6 | 1 0.01 99.34 5 | 8 0.08 99.42 5.2 | 1 0.01 99.43 5.6 | 1 0.01 99.44 6 | 3 0.03 99.47 6.5 | 1 0.01 99.48 6.6 | 1 0.01 99.49 6.75 | 1 0.01 99.50 7 | 6 0.06 99.56 8 | 3 0.03 99.59 8.25 | 1 0.01 99.60 8.4 | 1 0.01 99.61 8.6 | 1 0.01 99.62 8.75 | 1 0.01 99.63 10 | 2 0.02 99.65 10.6 | 1 0.01 99.66 11 | 2 0.02 99.68 13 | 1 0.01 99.69 13.6 | 1 0.01 99.70 14 | 1 0.01 99.71 15 | 1 0.01 99.72 16 | 2 0.02 99.74 16.97 | 1 0.01 99.75 17.26 | 1 0.01 99.76 18 | 1 0.01 99.77 18.6 | 1 0.01 99.78 19.25 | 1 0.01 99.79 19.3 | 1 0.01 99.80 19.6 | 1 0.01 99.81 22 | 1 0.01 99.82 23.75 | 1 0.01 99.83 24 | 2 0.02 99.85 25 | 2 0.02 99.87 25.7 | 1 0.01 99.88 29 | 1 0.01 99.89 30 | 2 0.02 99.91 31 | 1 0.01 99.92 32 | 1 0.01 99.93 32.2 | 1 0.01 99.94 34 | 1 0.01 99.95 49 | 1 0.01 99.96 50 | 1 0.01 99.97 79.58 | 1 0.01 99.98 138 | 1 0.01 99.99 281 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017