Frequencies for first 10,000 rows of proc23d variable in namcs2010 dataset : procedure 2 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,275 92.75 92.75 088 | 1 0.01 92.76 117 | 1 0.01 92.77 131 | 1 0.01 92.78 216 | 1 0.01 92.79 314 | 1 0.01 92.80 360 | 1 0.01 92.81 382 | 1 0.01 92.82 399 | 1 0.01 92.83 415 | 1 0.01 92.84 443 | 1 0.01 92.85 449 | 4 0.04 92.89 451 | 3 0.03 92.92 452 | 4 0.04 92.96 494 | 1 0.01 92.97 512 | 2 0.02 92.99 519 | 1 0.01 93.00 530 | 1 0.01 93.01 534 | 1 0.01 93.02 535 | 1 0.01 93.03 573 | 1 0.01 93.04 640 | 1 0.01 93.05 671 | 1 0.01 93.06 697 | 1 0.01 93.07 702 | 1 0.01 93.08 713 | 1 0.01 93.09 806 | 1 0.01 93.10 815 | 1 0.01 93.11 818 | 1 0.01 93.12 819 | 4 0.04 93.16 838 | 1 0.01 93.17 839 | 1 0.01 93.18 860 | 6 0.06 93.24 861 | 4 0.04 93.28 863 | 10 0.10 93.38 865 | 2 0.02 93.40 868 | 1 0.01 93.41 870 | 1 0.01 93.42 873 | 1 0.01 93.43 875 | 1 0.01 93.44 887 | 2 0.02 93.46 890 | 3 0.03 93.49 891 | 7 0.07 93.56 893 | 122 1.22 94.78 895 | 44 0.44 95.22 897 | 37 0.37 95.59 903 | 13 0.13 95.72 905 | 1 0.01 95.73 907 | 1 0.01 95.74 909 | 4 0.04 95.78 913 | 4 0.04 95.82 914 | 2 0.02 95.84 916 | 3 0.03 95.87 919 | 1 0.01 95.88 930 | 1 0.01 95.89 932 | 1 0.01 95.90 935 | 2 0.02 95.92 936 | 4 0.04 95.96 939 | 3 0.03 95.99 940 | 1 0.01 96.00 943 | 1 0.01 96.01 950 | 314 3.14 99.15 954 | 24 0.24 99.39 965 | 8 0.08 99.47 978 | 7 0.07 99.54 991 | 1 0.01 99.55 992 | 10 0.10 99.65 993 | 3 0.03 99.68 994 | 2 0.02 99.70 995 | 24 0.24 99.94 998 | 1 0.01 99.95 999 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016