Frequencies for first 10,000 rows of proc23d variable in nhamcsopd2009 dataset : procedure 2 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,109 91.09 91.09 005 | 1 0.01 91.10 029 | 2 0.02 91.12 031 | 1 0.01 91.13 039 | 4 0.04 91.17 048 | 1 0.01 91.18 068 | 1 0.01 91.19 074 | 1 0.01 91.20 136 | 1 0.01 91.21 137 | 1 0.01 91.22 173 | 1 0.01 91.23 182 | 1 0.01 91.24 200 | 3 0.03 91.27 204 | 1 0.01 91.28 213 | 1 0.01 91.29 221 | 1 0.01 91.30 226 | 1 0.01 91.31 282 | 5 0.05 91.36 283 | 3 0.03 91.39 286 | 1 0.01 91.40 291 | 1 0.01 91.41 314 | 1 0.01 91.42 332 | 2 0.02 91.44 379 | 1 0.01 91.45 382 | 1 0.01 91.46 389 | 1 0.01 91.47 422 | 1 0.01 91.48 428 | 1 0.01 91.49 429 | 2 0.02 91.51 441 | 4 0.04 91.55 443 | 2 0.02 91.57 446 | 1 0.01 91.58 451 | 14 0.14 91.72 452 | 15 0.15 91.87 458 | 1 0.01 91.88 459 | 1 0.01 91.89 470 | 2 0.02 91.91 482 | 4 0.04 91.95 491 | 1 0.01 91.96 511 | 1 0.01 91.97 512 | 6 0.06 92.03 530 | 1 0.01 92.04 535 | 2 0.02 92.06 542 | 1 0.01 92.07 549 | 1 0.01 92.08 550 | 1 0.01 92.09 560 | 2 0.02 92.11 563 | 1 0.01 92.12 571 | 1 0.01 92.13 573 | 1 0.01 92.14 574 | 1 0.01 92.15 579 | 1 0.01 92.16 584 | 2 0.02 92.18 605 | 1 0.01 92.19 640 | 3 0.03 92.22 669 | 1 0.01 92.23 671 | 4 0.04 92.27 673 | 2 0.02 92.29 682 | 1 0.01 92.30 689 | 4 0.04 92.34 690 | 3 0.03 92.37 697 | 3 0.03 92.40 699 | 1 0.01 92.41 702 | 3 0.03 92.44 734 | 1 0.01 92.45 735 | 1 0.01 92.46 753 | 61 0.61 93.07 778 | 1 0.01 93.08 786 | 1 0.01 93.09 790 | 1 0.01 93.10 799 | 1 0.01 93.11 802 | 1 0.01 93.12 814 | 1 0.01 93.13 815 | 1 0.01 93.14 819 | 2 0.02 93.16 833 | 1 0.01 93.17 836 | 3 0.03 93.20 838 | 1 0.01 93.21 839 | 2 0.02 93.23 841 | 1 0.01 93.24 854 | 1 0.01 93.25 860 | 5 0.05 93.30 861 | 7 0.07 93.37 862 | 18 0.18 93.55 863 | 12 0.12 93.67 864 | 1 0.01 93.68 865 | 1 0.01 93.69 866 | 1 0.01 93.70 870 | 1 0.01 93.71 871 | 1 0.01 93.72 875 | 2 0.02 93.74 876 | 4 0.04 93.78 877 | 1 0.01 93.79 883 | 1 0.01 93.80 885 | 1 0.01 93.81 887 | 3 0.03 93.84 890 | 37 0.37 94.21 891 | 59 0.59 94.80 893 | 68 0.68 95.48 894 | 4 0.04 95.52 895 | 1 0.01 95.53 897 | 32 0.32 95.85 903 | 8 0.08 95.93 909 | 7 0.07 96.00 913 | 8 0.08 96.08 914 | 7 0.07 96.15 916 | 3 0.03 96.18 919 | 8 0.08 96.26 920 | 1 0.01 96.27 921 | 1 0.01 96.28 922 | 18 0.18 96.46 930 | 56 0.56 97.02 931 | 5 0.05 97.07 932 | 19 0.19 97.26 933 | 4 0.04 97.30 935 | 7 0.07 97.37 936 | 2 0.02 97.39 938 | 7 0.07 97.46 939 | 63 0.63 98.09 940 | 4 0.04 98.13 941 | 4 0.04 98.17 950 | 82 0.82 98.99 951 | 4 0.04 99.03 952 | 9 0.09 99.12 953 | 2 0.02 99.14 954 | 16 0.16 99.30 965 | 6 0.06 99.36 971 | 1 0.01 99.37 972 | 1 0.01 99.38 975 | 1 0.01 99.39 976 | 1 0.01 99.40 978 | 2 0.02 99.42 985 | 1 0.01 99.43 990 | 2 0.02 99.45 991 | 2 0.02 99.47 992 | 26 0.26 99.73 993 | 2 0.02 99.75 995 | 20 0.20 99.95 999 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016