Frequencies for first 10,000 rows of proc23d variable in namcs2011 dataset : Procedure 2 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,132 91.32 91.32 039 | 4 0.04 91.36 082 | 1 0.01 91.37 173 | 2 0.02 91.39 200 | 1 0.01 91.40 210 | 2 0.02 91.42 218 | 1 0.01 91.43 220 | 1 0.01 91.44 229 | 1 0.01 91.45 281 | 1 0.01 91.46 282 | 1 0.01 91.47 377 | 1 0.01 91.48 386 | 1 0.01 91.49 388 | 4 0.04 91.53 392 | 1 0.01 91.54 399 | 7 0.07 91.61 422 | 2 0.02 91.63 439 | 1 0.01 91.64 451 | 3 0.03 91.67 452 | 12 0.12 91.79 463 | 1 0.01 91.80 482 | 5 0.05 91.85 492 | 1 0.01 91.86 494 | 1 0.01 91.87 501 | 1 0.01 91.88 525 | 1 0.01 91.89 530 | 3 0.03 91.92 534 | 1 0.01 91.93 535 | 1 0.01 91.94 541 | 1 0.01 91.95 542 | 2 0.02 91.97 613 | 1 0.01 91.98 671 | 1 0.01 91.99 690 | 1 0.01 92.00 786 | 1 0.01 92.01 815 | 1 0.01 92.02 819 | 16 0.16 92.18 851 | 1 0.01 92.19 859 | 1 0.01 92.20 860 | 5 0.05 92.25 861 | 2 0.02 92.27 862 | 2 0.02 92.29 863 | 12 0.12 92.41 865 | 1 0.01 92.42 868 | 1 0.01 92.43 874 | 1 0.01 92.44 877 | 1 0.01 92.45 881 | 2 0.02 92.47 884 | 2 0.02 92.49 887 | 9 0.09 92.58 890 | 1 0.01 92.59 891 | 14 0.14 92.73 893 | 214 2.14 94.87 894 | 3 0.03 94.90 895 | 31 0.31 95.21 897 | 20 0.20 95.41 903 | 42 0.42 95.83 905 | 2 0.02 95.85 909 | 10 0.10 95.95 913 | 3 0.03 95.98 914 | 4 0.04 96.02 916 | 3 0.03 96.05 919 | 1 0.01 96.06 920 | 1 0.01 96.07 932 | 2 0.02 96.09 933 | 1 0.01 96.10 935 | 3 0.03 96.13 936 | 26 0.26 96.39 939 | 2 0.02 96.41 940 | 4 0.04 96.45 941 | 1 0.01 96.46 950 | 272 2.72 99.18 951 | 1 0.01 99.19 952 | 1 0.01 99.20 954 | 22 0.22 99.42 965 | 8 0.08 99.50 978 | 1 0.01 99.51 991 | 1 0.01 99.52 992 | 15 0.15 99.67 993 | 2 0.02 99.69 994 | 6 0.06 99.75 995 | 16 0.16 99.91 999 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016