Frequencies for first 10,000 rows of proc33d variable in nhamcsopd2010 dataset : procedure 3 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,733 97.33 97.33 049 | 1 0.01 97.34 145 | 1 0.01 97.35 226 | 1 0.01 97.36 372 | 2 0.02 97.38 388 | 1 0.01 97.39 389 | 2 0.02 97.41 422 | 1 0.01 97.42 441 | 2 0.02 97.44 451 | 3 0.03 97.47 454 | 5 0.05 97.52 483 | 3 0.03 97.55 579 | 1 0.01 97.56 598 | 1 0.01 97.57 602 | 2 0.02 97.59 690 | 3 0.03 97.62 702 | 1 0.01 97.63 734 | 2 0.02 97.65 753 | 5 0.05 97.70 806 | 4 0.04 97.74 807 | 1 0.01 97.75 808 | 1 0.01 97.76 816 | 1 0.01 97.77 861 | 1 0.01 97.78 862 | 1 0.01 97.79 887 | 3 0.03 97.82 889 | 1 0.01 97.83 891 | 3 0.03 97.86 893 | 40 0.40 98.26 895 | 86 0.86 99.12 897 | 1 0.01 99.13 909 | 1 0.01 99.14 913 | 1 0.01 99.15 914 | 3 0.03 99.18 919 | 3 0.03 99.21 922 | 1 0.01 99.22 930 | 4 0.04 99.26 932 | 5 0.05 99.31 933 | 6 0.06 99.37 935 | 2 0.02 99.39 939 | 6 0.06 99.45 940 | 2 0.02 99.47 950 | 36 0.36 99.83 954 | 3 0.03 99.86 964 | 1 0.01 99.87 992 | 1 0.01 99.88 994 | 1 0.01 99.89 995 | 6 0.06 99.95 999 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016