Frequencies for first 10,000 rows of proc22d variable in namcs2013 dataset : Procedure 2 | - 2 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 8,686 86.86 86.86 00 | 2 0.02 86.88 03 | 5 0.05 86.93 07 | 1 0.01 86.94 08 | 4 0.04 86.98 09 | 1 0.01 86.99 11 | 1 0.01 87.00 12 | 2 0.02 87.02 13 | 9 0.09 87.11 14 | 7 0.07 87.18 16 | 13 0.13 87.31 17 | 1 0.01 87.32 18 | 1 0.01 87.33 20 | 1 0.01 87.34 21 | 5 0.05 87.39 22 | 12 0.12 87.51 23 | 2 0.02 87.53 24 | 2 0.02 87.55 25 | 1 0.01 87.56 27 | 2 0.02 87.58 29 | 1 0.01 87.59 31 | 1 0.01 87.60 35 | 1 0.01 87.61 36 | 1 0.01 87.62 37 | 1 0.01 87.63 38 | 7 0.07 87.70 39 | 1 0.01 87.71 41 | 2 0.02 87.73 42 | 3 0.03 87.76 44 | 3 0.03 87.79 45 | 7 0.07 87.86 46 | 1 0.01 87.87 49 | 5 0.05 87.92 50 | 1 0.01 87.93 51 | 2 0.02 87.95 54 | 1 0.01 87.96 56 | 3 0.03 87.99 57 | 6 0.06 88.05 58 | 1 0.01 88.06 64 | 1 0.01 88.07 66 | 1 0.01 88.08 67 | 3 0.03 88.11 68 | 2 0.02 88.13 70 | 4 0.04 88.17 71 | 1 0.01 88.18 73 | 2 0.02 88.20 74 | 1 0.01 88.21 75 | 2 0.02 88.23 78 | 2 0.02 88.25 80 | 4 0.04 88.29 81 | 18 0.18 88.47 82 | 1 0.01 88.48 83 | 4 0.04 88.52 86 | 22 0.22 88.74 87 | 7 0.07 88.81 88 | 27 0.27 89.08 89 | 329 3.29 92.37 90 | 180 1.80 94.17 91 | 136 1.36 95.53 92 | 10 0.10 95.63 93 | 38 0.38 96.01 94 | 20 0.20 96.21 95 | 190 1.90 98.11 96 | 13 0.13 98.24 97 | 2 0.02 98.26 98 | 2 0.02 98.28 99 | 172 1.72 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017