Frequencies for first 10,000 rows of prov2885 variable in pos1988 dataset : Type of | Control (9 | values) | Freq. Percent Cum. ------------+----------------------------------- | 47 0.47 0.47 00 | 63 0.63 1.10 01 | 2,516 25.16 26.26 02 | 1,022 10.22 36.48 03 | 4,398 43.98 80.46 04 | 335 3.35 83.81 05 | 336 3.36 87.17 06 | 686 6.86 94.03 07 | 115 1.15 95.18 08 | 124 1.24 96.42 09 | 73 0.73 97.15 1 | 1 0.01 97.16 10 | 150 1.50 98.66 11 | 2 0.02 98.68 13 | 8 0.08 98.76 14 | 1 0.01 98.77 15 | 3 0.03 98.80 16 | 1 0.01 98.81 1A | 2 0.02 98.83 1B | 5 0.05 98.88 1C | 1 0.01 98.89 2A | 3 0.03 98.92 2B | 104 1.04 99.96 3 | 1 0.01 99.97 39 | 1 0.01 99.98 4 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016