Frequencies for first 10,000 rows of proc33d variable in namcs1993 dataset : service #3 | procedure | code - 3 | digits | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,813 98.13 98.13 048 | 1 0.01 98.14 291 | 1 0.01 98.15 428 | 1 0.01 98.16 452 | 3 0.03 98.19 482 | 1 0.01 98.20 494 | 1 0.01 98.21 573 | 1 0.01 98.22 690 | 1 0.01 98.23 766 | 1 0.01 98.24 819 | 2 0.02 98.26 851 | 1 0.01 98.27 862 | 1 0.01 98.28 870 | 1 0.01 98.29 872 | 3 0.03 98.32 873 | 9 0.09 98.41 874 | 13 0.13 98.54 876 | 5 0.05 98.59 877 | 1 0.01 98.60 880 | 2 0.02 98.62 882 | 2 0.02 98.64 883 | 2 0.02 98.66 887 | 16 0.16 98.82 889 | 1 0.01 98.83 891 | 1 0.01 98.84 892 | 4 0.04 98.88 893 | 14 0.14 99.02 894 | 7 0.07 99.09 895 | 15 0.15 99.24 897 | 1 0.01 99.25 903 | 1 0.01 99.26 909 | 2 0.02 99.28 913 | 2 0.02 99.30 914 | 9 0.09 99.39 915 | 1 0.01 99.40 916 | 1 0.01 99.41 919 | 1 0.01 99.42 920 | 2 0.02 99.44 921 | 4 0.04 99.48 930 | 1 0.01 99.49 931 | 2 0.02 99.51 933 | 20 0.20 99.71 934 | 2 0.02 99.73 935 | 10 0.10 99.83 936 | 1 0.01 99.84 938 | 1 0.01 99.85 939 | 1 0.01 99.86 943 | 1 0.01 99.87 954 | 5 0.05 99.92 965 | 2 0.02 99.94 999 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016