Frequencies for first 10,000 rows of proc43d variable in nhamcsopd1994 dataset : service #4 | procedure | code - 3 | digits | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,892 98.92 98.92 413 | 1 0.01 98.93 452 | 2 0.02 98.95 542 | 1 0.01 98.96 673 | 1 0.01 98.97 690 | 1 0.01 98.98 702 | 1 0.01 98.99 753 | 1 0.01 99.00 863 | 1 0.01 99.01 872 | 1 0.01 99.02 873 | 3 0.03 99.05 874 | 5 0.05 99.10 877 | 2 0.02 99.12 880 | 1 0.01 99.13 882 | 1 0.01 99.14 883 | 3 0.03 99.17 887 | 10 0.10 99.27 889 | 1 0.01 99.28 890 | 3 0.03 99.31 892 | 6 0.06 99.37 893 | 2 0.02 99.39 895 | 4 0.04 99.43 914 | 29 0.29 99.72 932 | 1 0.01 99.73 935 | 4 0.04 99.77 943 | 5 0.05 99.82 944 | 2 0.02 99.84 950 | 4 0.04 99.88 951 | 1 0.01 99.89 952 | 1 0.01 99.90 953 | 3 0.03 99.93 999 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016