Frequencies for first 10,000 rows of digsc13d variable in namcs2008 dataset : diagnostic | service #1 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 8,118 81.18 81.18 002 | 2 0.02 81.20 033 | 1 0.01 81.21 039 | 1 0.01 81.22 061 | 1 0.01 81.23 082 | 1 0.01 81.24 162 | 1 0.01 81.25 181 | 1 0.01 81.26 372 | 1 0.01 81.27 389 | 1 0.01 81.28 399 | 2 0.02 81.30 552 | 1 0.01 81.31 673 | 1 0.01 81.32 690 | 1 0.01 81.33 753 | 1 0.01 81.34 819 | 4 0.04 81.38 836 | 1 0.01 81.39 861 | 40 0.40 81.79 862 | 1 0.01 81.80 870 | 1 0.01 81.81 871 | 1 0.01 81.82 872 | 1 0.01 81.83 873 | 1 0.01 81.84 874 | 4 0.04 81.88 876 | 3 0.03 81.91 877 | 2 0.02 81.93 882 | 1 0.01 81.94 883 | 1 0.01 81.95 884 | 2 0.02 81.97 887 | 15 0.15 82.12 889 | 1 0.01 82.13 890 | 4 0.04 82.17 891 | 33 0.33 82.50 892 | 9 0.09 82.59 893 | 480 4.80 87.39 894 | 42 0.42 87.81 895 | 29 0.29 88.10 897 | 483 4.83 92.93 902 | 1 0.01 92.94 903 | 304 3.04 95.98 904 | 1 0.01 95.99 905 | 5 0.05 96.04 909 | 53 0.53 96.57 913 | 38 0.38 96.95 914 | 9 0.09 97.04 916 | 12 0.12 97.16 918 | 1 0.01 97.17 919 | 23 0.23 97.40 920 | 9 0.09 97.49 921 | 2 0.02 97.51 930 | 26 0.26 97.77 939 | 15 0.15 97.92 940 | 8 0.08 98.00 950 | 99 0.99 98.99 951 | 4 0.04 99.03 954 | 57 0.57 99.60 965 | 6 0.06 99.66 978 | 3 0.03 99.69 992 | 1 0.01 99.70 999 | 30 0.30 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016