Frequencies for first 10,000 rows of proc13d variable in namcs2009 dataset : procedure 1 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 7,261 72.61 72.61 002 | 1 0.01 72.62 039 | 10 0.10 72.72 044 | 1 0.01 72.73 048 | 2 0.02 72.75 053 | 1 0.01 72.76 061 | 2 0.02 72.78 082 | 1 0.01 72.79 131 | 1 0.01 72.80 181 | 1 0.01 72.81 200 | 1 0.01 72.82 249 | 1 0.01 72.83 272 | 1 0.01 72.84 332 | 1 0.01 72.85 372 | 1 0.01 72.86 382 | 1 0.01 72.87 389 | 3 0.03 72.90 395 | 1 0.01 72.91 399 | 2 0.02 72.93 402 | 1 0.01 72.94 441 | 2 0.02 72.96 451 | 9 0.09 73.05 452 | 130 1.30 74.35 482 | 2 0.02 74.37 530 | 1 0.01 74.38 542 | 1 0.01 74.39 549 | 1 0.01 74.40 550 | 1 0.01 74.41 555 | 1 0.01 74.42 556 | 1 0.01 74.43 574 | 1 0.01 74.44 579 | 1 0.01 74.45 640 | 1 0.01 74.46 673 | 1 0.01 74.47 681 | 5 0.05 74.52 689 | 1 0.01 74.53 695 | 18 0.18 74.71 697 | 1 0.01 74.72 702 | 4 0.04 74.76 703 | 1 0.01 74.77 710 | 1 0.01 74.78 753 | 5 0.05 74.83 775 | 1 0.01 74.84 786 | 2 0.02 74.86 789 | 1 0.01 74.87 802 | 3 0.03 74.90 816 | 1 0.01 74.91 819 | 16 0.16 75.07 829 | 1 0.01 75.08 836 | 1 0.01 75.09 839 | 6 0.06 75.15 849 | 1 0.01 75.16 851 | 1 0.01 75.17 860 | 10 0.10 75.27 861 | 48 0.48 75.75 862 | 8 0.08 75.83 863 | 46 0.46 76.29 865 | 5 0.05 76.34 869 | 1 0.01 76.35 870 | 3 0.03 76.38 874 | 3 0.03 76.41 876 | 1 0.01 76.42 883 | 2 0.02 76.44 887 | 24 0.24 76.68 890 | 10 0.10 76.78 891 | 52 0.52 77.30 892 | 8 0.08 77.38 893 | 901 9.01 86.39 894 | 32 0.32 86.71 895 | 45 0.45 87.16 897 | 490 4.90 92.06 903 | 126 1.26 93.32 904 | 3 0.03 93.35 909 | 34 0.34 93.69 910 | 1 0.01 93.70 913 | 34 0.34 94.04 914 | 9 0.09 94.13 916 | 12 0.12 94.25 919 | 23 0.23 94.48 920 | 2 0.02 94.50 921 | 1 0.01 94.51 930 | 64 0.64 95.15 932 | 28 0.28 95.43 933 | 2 0.02 95.45 935 | 14 0.14 95.59 936 | 50 0.50 96.09 938 | 1 0.01 96.10 939 | 21 0.21 96.31 940 | 7 0.07 96.38 941 | 3 0.03 96.41 943 | 1 0.01 96.42 944 | 4 0.04 96.46 945 | 1 0.01 96.47 950 | 47 0.47 96.94 951 | 1 0.01 96.95 953 | 1 0.01 96.96 954 | 33 0.33 97.29 965 | 26 0.26 97.55 970 | 1 0.01 97.56 973 | 10 0.10 97.66 977 | 1 0.01 97.67 978 | 19 0.19 97.86 981 | 2 0.02 97.88 982 | 3 0.03 97.91 991 | 6 0.06 97.97 992 | 57 0.57 98.54 993 | 12 0.12 98.66 994 | 3 0.03 98.69 995 | 95 0.95 99.64 998 | 2 0.02 99.66 999 | 34 0.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016