Frequencies for first 10,000 rows of digsc23d variable in namcs2002 dataset : Diag/Screen | service | write-in #2 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,878 98.78 98.78 372 | 1 0.01 98.79 389 | 1 0.01 98.80 452 | 1 0.01 98.81 579 | 1 0.01 98.82 753 | 2 0.02 98.84 861 | 4 0.04 98.88 870 | 1 0.01 98.89 874 | 1 0.01 98.90 883 | 1 0.01 98.91 887 | 23 0.23 99.14 889 | 2 0.02 99.16 891 | 16 0.16 99.32 892 | 1 0.01 99.33 893 | 7 0.07 99.40 894 | 3 0.03 99.43 895 | 2 0.02 99.45 903 | 1 0.01 99.46 905 | 6 0.06 99.52 909 | 3 0.03 99.55 913 | 1 0.01 99.56 914 | 1 0.01 99.57 919 | 6 0.06 99.63 920 | 3 0.03 99.66 921 | 1 0.01 99.67 930 | 6 0.06 99.73 935 | 1 0.01 99.74 939 | 1 0.01 99.75 950 | 5 0.05 99.80 951 | 2 0.02 99.82 952 | 1 0.01 99.83 954 | 8 0.08 99.91 992 | 3 0.03 99.94 994 | 3 0.03 99.97 995 | 1 0.01 99.98 999 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016