Frequencies for first 10,000 rows of proc13d variable in namcs2010 dataset : procedure 1 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 7,139 71.39 71.39 044 | 1 0.01 71.40 060 | 1 0.01 71.41 061 | 1 0.01 71.42 062 | 1 0.01 71.43 109 | 1 0.01 71.44 131 | 1 0.01 71.45 136 | 2 0.02 71.47 171 | 1 0.01 71.48 181 | 5 0.05 71.53 182 | 1 0.01 71.54 213 | 1 0.01 71.55 218 | 2 0.02 71.57 220 | 5 0.05 71.62 230 | 21 0.21 71.83 251 | 1 0.01 71.84 259 | 1 0.01 71.85 322 | 1 0.01 71.86 372 | 3 0.03 71.89 389 | 5 0.05 71.94 394 | 1 0.01 71.95 399 | 2 0.02 71.97 413 | 2 0.02 71.99 441 | 2 0.02 72.01 442 | 1 0.01 72.02 446 | 4 0.04 72.06 449 | 3 0.03 72.09 451 | 17 0.17 72.26 452 | 79 0.79 73.05 457 | 1 0.01 73.06 481 | 2 0.02 73.08 482 | 1 0.01 73.09 491 | 1 0.01 73.10 492 | 1 0.01 73.11 512 | 3 0.03 73.14 521 | 1 0.01 73.15 530 | 3 0.03 73.18 531 | 2 0.02 73.20 534 | 2 0.02 73.22 535 | 2 0.02 73.24 539 | 1 0.01 73.25 542 | 2 0.02 73.27 543 | 1 0.01 73.28 545 | 1 0.01 73.29 582 | 1 0.01 73.30 601 | 1 0.01 73.31 640 | 4 0.04 73.35 656 | 1 0.01 73.36 663 | 2 0.02 73.38 671 | 1 0.01 73.39 673 | 4 0.04 73.43 681 | 3 0.03 73.46 682 | 1 0.01 73.47 697 | 5 0.05 73.52 702 | 3 0.03 73.55 713 | 1 0.01 73.56 753 | 3 0.03 73.59 792 | 1 0.01 73.60 802 | 4 0.04 73.64 815 | 1 0.01 73.65 819 | 27 0.27 73.92 836 | 1 0.01 73.93 839 | 2 0.02 73.95 851 | 15 0.15 74.10 854 | 1 0.01 74.11 859 | 2 0.02 74.13 860 | 16 0.16 74.29 861 | 56 0.56 74.85 862 | 9 0.09 74.94 863 | 36 0.36 75.30 865 | 3 0.03 75.33 868 | 4 0.04 75.37 869 | 1 0.01 75.38 873 | 1 0.01 75.39 874 | 4 0.04 75.43 876 | 2 0.02 75.45 877 | 1 0.01 75.46 880 | 1 0.01 75.47 883 | 1 0.01 75.48 884 | 1 0.01 75.49 887 | 17 0.17 75.66 890 | 15 0.15 75.81 891 | 20 0.20 76.01 892 | 4 0.04 76.05 893 | 893 8.93 84.98 894 | 19 0.19 85.17 895 | 24 0.24 85.41 897 | 599 5.99 91.40 901 | 3 0.03 91.43 902 | 1 0.01 91.44 903 | 142 1.42 92.86 904 | 3 0.03 92.89 905 | 3 0.03 92.92 907 | 5 0.05 92.97 909 | 46 0.46 93.43 913 | 65 0.65 94.08 914 | 22 0.22 94.30 916 | 21 0.21 94.51 919 | 37 0.37 94.88 920 | 1 0.01 94.89 921 | 1 0.01 94.90 930 | 1 0.01 94.91 932 | 1 0.01 94.92 933 | 4 0.04 94.96 935 | 14 0.14 95.10 936 | 60 0.60 95.70 939 | 12 0.12 95.82 940 | 2 0.02 95.84 941 | 3 0.03 95.87 943 | 1 0.01 95.88 944 | 2 0.02 95.90 950 | 66 0.66 96.56 951 | 4 0.04 96.60 952 | 2 0.02 96.62 954 | 61 0.61 97.23 961 | 2 0.02 97.25 963 | 1 0.01 97.26 965 | 22 0.22 97.48 977 | 1 0.01 97.49 978 | 27 0.27 97.76 982 | 6 0.06 97.82 991 | 4 0.04 97.86 992 | 31 0.31 98.17 993 | 8 0.08 98.25 995 | 117 1.17 99.42 999 | 58 0.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016