Frequencies for first 10,000 rows of proc22d variable in namcs2015 dataset : Write-in | procedure | code - 2 | digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 8,482 84.82 84.82 03 | 1 0.01 84.83 04 | 1 0.01 84.84 08 | 1 0.01 84.85 09 | 1 0.01 84.86 12 | 7 0.07 84.93 13 | 19 0.19 85.12 16 | 5 0.05 85.17 18 | 5 0.05 85.22 19 | 1 0.01 85.23 20 | 6 0.06 85.29 21 | 12 0.12 85.41 22 | 16 0.16 85.57 25 | 2 0.02 85.59 28 | 1 0.01 85.60 29 | 2 0.02 85.62 31 | 24 0.24 85.86 38 | 8 0.08 85.94 40 | 2 0.02 85.96 41 | 1 0.01 85.97 44 | 1 0.01 85.98 50 | 1 0.01 85.99 51 | 1 0.01 86.00 53 | 1 0.01 86.01 54 | 1 0.01 86.02 56 | 2 0.02 86.04 57 | 17 0.17 86.21 59 | 2 0.02 86.23 60 | 2 0.02 86.25 64 | 1 0.01 86.26 66 | 1 0.01 86.27 68 | 1 0.01 86.28 69 | 6 0.06 86.34 73 | 1 0.01 86.35 75 | 1 0.01 86.36 79 | 1 0.01 86.37 80 | 1 0.01 86.38 81 | 19 0.19 86.57 85 | 2 0.02 86.59 86 | 34 0.34 86.93 87 | 11 0.11 87.04 88 | 13 0.13 87.17 89 | 833 8.33 95.50 90 | 81 0.81 96.31 91 | 34 0.34 96.65 92 | 3 0.03 96.68 93 | 28 0.28 96.96 94 | 65 0.65 97.61 95 | 35 0.35 97.96 96 | 22 0.22 98.18 97 | 6 0.06 98.24 98 | 1 0.01 98.25 99 | 175 1.75 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017