Frequencies for first 10,000 rows of proc22d variable in namcs1994 dataset : service #2 | procedure | code - 2 | digits | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,171 91.71 91.71 03 | 3 0.03 91.74 12 | 2 0.02 91.76 13 | 1 0.01 91.77 18 | 1 0.01 91.78 21 | 1 0.01 91.79 31 | 1 0.01 91.80 33 | 1 0.01 91.81 38 | 1 0.01 91.82 42 | 2 0.02 91.84 45 | 6 0.06 91.90 48 | 5 0.05 91.95 51 | 1 0.01 91.96 53 | 1 0.01 91.97 58 | 2 0.02 91.99 60 | 1 0.01 92.00 67 | 2 0.02 92.02 68 | 2 0.02 92.04 69 | 1 0.01 92.05 71 | 1 0.01 92.06 75 | 2 0.02 92.08 79 | 1 0.01 92.09 81 | 11 0.11 92.20 82 | 2 0.02 92.22 85 | 1 0.01 92.23 86 | 16 0.16 92.39 87 | 201 2.01 94.40 88 | 103 1.03 95.43 89 | 161 1.61 97.04 90 | 35 0.35 97.39 91 | 60 0.60 97.99 92 | 10 0.10 98.09 93 | 98 0.98 99.07 94 | 7 0.07 99.14 95 | 62 0.62 99.76 96 | 7 0.07 99.83 97 | 1 0.01 99.84 98 | 3 0.03 99.87 99 | 13 0.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016