Frequencies for first 10,000 rows of proc12 variable in nhamcsed1996 dataset : other | procedure | #1 - 2 dgt | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,729 97.29 97.29 01 | 1 0.01 97.30 04 | 2 0.02 97.32 08 | 2 0.02 97.34 18 | 2 0.02 97.36 24 | 1 0.01 97.37 33 | 1 0.01 97.38 34 | 2 0.02 97.40 37 | 2 0.02 97.42 38 | 13 0.13 97.55 39 | 1 0.01 97.56 42 | 1 0.01 97.57 45 | 3 0.03 97.60 48 | 2 0.02 97.62 49 | 3 0.03 97.65 53 | 2 0.02 97.67 57 | 1 0.01 97.68 66 | 1 0.01 97.69 68 | 1 0.01 97.70 69 | 4 0.04 97.74 70 | 1 0.01 97.75 71 | 1 0.01 97.76 76 | 2 0.02 97.78 78 | 1 0.01 97.79 79 | 1 0.01 97.80 80 | 1 0.01 97.81 81 | 3 0.03 97.84 82 | 1 0.01 97.85 83 | 1 0.01 97.86 86 | 23 0.23 98.09 89 | 24 0.24 98.33 90 | 5 0.05 98.38 91 | 3 0.03 98.41 93 | 80 0.80 99.21 94 | 6 0.06 99.27 96 | 12 0.12 99.39 97 | 4 0.04 99.43 98 | 6 0.06 99.49 99 | 51 0.51 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016