Frequencies for first 10,000 rows of proc32d variable in nhamcsopd1993 dataset : service #3 | procedure | code - 2 | digits | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,617 96.17 96.17 04 | 1 0.01 96.18 12 | 1 0.01 96.19 13 | 5 0.05 96.24 14 | 1 0.01 96.25 19 | 1 0.01 96.26 20 | 2 0.02 96.28 22 | 1 0.01 96.29 28 | 1 0.01 96.30 38 | 1 0.01 96.31 45 | 4 0.04 96.35 49 | 2 0.02 96.37 53 | 5 0.05 96.42 54 | 1 0.01 96.43 57 | 3 0.03 96.46 64 | 2 0.02 96.48 66 | 1 0.01 96.49 67 | 2 0.02 96.51 69 | 8 0.08 96.59 70 | 1 0.01 96.60 74 | 1 0.01 96.61 77 | 1 0.01 96.62 81 | 2 0.02 96.64 85 | 4 0.04 96.68 86 | 5 0.05 96.73 87 | 50 0.50 97.23 88 | 50 0.50 97.73 89 | 48 0.48 98.21 90 | 4 0.04 98.25 91 | 98 0.98 99.23 92 | 4 0.04 99.27 93 | 15 0.15 99.42 94 | 3 0.03 99.45 95 | 19 0.19 99.64 96 | 2 0.02 99.66 97 | 1 0.01 99.67 99 | 33 0.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016