Frequencies for first 10,000 rows of proc32d variable in nhamcsopd2009 dataset : procedure 3 | - 2 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,786 97.86 97.86 03 | 1 0.01 97.87 07 | 1 0.01 97.88 20 | 3 0.03 97.91 21 | 1 0.01 97.92 22 | 1 0.01 97.93 28 | 2 0.02 97.95 31 | 1 0.01 97.96 37 | 1 0.01 97.97 38 | 2 0.02 97.99 43 | 2 0.02 98.01 44 | 3 0.03 98.04 45 | 15 0.15 98.19 47 | 2 0.02 98.21 48 | 2 0.02 98.23 49 | 1 0.01 98.24 53 | 2 0.02 98.26 54 | 2 0.02 98.28 59 | 4 0.04 98.32 67 | 1 0.01 98.33 69 | 1 0.01 98.34 74 | 1 0.01 98.35 75 | 2 0.02 98.37 76 | 1 0.01 98.38 81 | 2 0.02 98.40 83 | 2 0.02 98.42 86 | 7 0.07 98.49 87 | 2 0.02 98.51 89 | 38 0.38 98.89 90 | 4 0.04 98.93 91 | 2 0.02 98.95 92 | 3 0.03 98.98 93 | 84 0.84 99.82 94 | 1 0.01 99.83 95 | 9 0.09 99.92 97 | 2 0.02 99.94 98 | 1 0.01 99.95 99 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016