Frequencies for first 10,000 rows of proc33d variable in nhamcsopd1994 dataset : service #3 | procedure | code - 3 | digits | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,626 96.26 96.26 122 | 1 0.01 96.27 125 | 1 0.01 96.28 162 | 5 0.05 96.33 441 | 1 0.01 96.34 452 | 2 0.02 96.36 573 | 3 0.03 96.39 595 | 1 0.01 96.40 663 | 2 0.02 96.42 697 | 1 0.01 96.43 702 | 2 0.02 96.45 753 | 14 0.14 96.59 851 | 1 0.01 96.60 861 | 1 0.01 96.61 863 | 2 0.02 96.63 870 | 2 0.02 96.65 872 | 4 0.04 96.69 873 | 8 0.08 96.77 874 | 16 0.16 96.93 876 | 1 0.01 96.94 877 | 9 0.09 97.03 882 | 16 0.16 97.19 883 | 3 0.03 97.22 887 | 20 0.20 97.42 889 | 2 0.02 97.44 890 | 1 0.01 97.45 891 | 3 0.03 97.48 892 | 8 0.08 97.56 893 | 19 0.19 97.75 894 | 1 0.01 97.76 895 | 8 0.08 97.84 896 | 1 0.01 97.85 903 | 2 0.02 97.87 909 | 6 0.06 97.93 912 | 1 0.01 97.94 913 | 3 0.03 97.97 914 | 91 0.91 98.88 919 | 10 0.10 98.98 920 | 2 0.02 99.00 921 | 3 0.03 99.03 922 | 1 0.01 99.04 930 | 1 0.01 99.05 932 | 4 0.04 99.09 933 | 8 0.08 99.17 935 | 13 0.13 99.30 940 | 1 0.01 99.31 941 | 1 0.01 99.32 943 | 19 0.19 99.51 944 | 11 0.11 99.62 950 | 12 0.12 99.74 951 | 1 0.01 99.75 952 | 2 0.02 99.77 953 | 1 0.01 99.78 960 | 1 0.01 99.79 978 | 1 0.01 99.80 998 | 1 0.01 99.81 999 | 19 0.19 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016