Frequencies for first 10,000 rows of amb23d variable in namcs2004 dataset : surgical | procedure | #2 - 3 | digit | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,830 98.30 98.30 030 | 1 0.01 98.31 039 | 2 0.02 98.33 044 | 1 0.01 98.34 048 | 3 0.03 98.37 117 | 1 0.01 98.38 123 | 1 0.01 98.39 127 | 1 0.01 98.40 134 | 1 0.01 98.41 136 | 1 0.01 98.42 137 | 1 0.01 98.43 182 | 1 0.01 98.44 200 | 1 0.01 98.45 201 | 1 0.01 98.46 215 | 1 0.01 98.47 216 | 2 0.02 98.49 226 | 1 0.01 98.50 272 | 1 0.01 98.51 282 | 1 0.01 98.52 286 | 4 0.04 98.56 340 | 1 0.01 98.57 352 | 1 0.01 98.58 360 | 2 0.02 98.60 373 | 1 0.01 98.61 399 | 2 0.02 98.63 454 | 1 0.01 98.64 457 | 1 0.01 98.65 530 | 1 0.01 98.66 531 | 1 0.01 98.67 534 | 1 0.01 98.68 560 | 2 0.02 98.70 574 | 1 0.01 98.71 579 | 1 0.01 98.72 595 | 1 0.01 98.73 609 | 1 0.01 98.74 652 | 1 0.01 98.75 654 | 1 0.01 98.76 656 | 1 0.01 98.77 671 | 1 0.01 98.78 673 | 1 0.01 98.79 681 | 1 0.01 98.80 682 | 1 0.01 98.81 705 | 1 0.01 98.82 780 | 2 0.02 98.84 786 | 2 0.02 98.86 790 | 1 0.01 98.87 796 | 1 0.01 98.88 802 | 2 0.02 98.90 808 | 2 0.02 98.92 810 | 2 0.02 98.94 814 | 1 0.01 98.95 819 | 1 0.01 98.96 820 | 1 0.01 98.97 836 | 2 0.02 98.99 851 | 1 0.01 99.00 852 | 1 0.01 99.01 854 | 1 0.01 99.02 860 | 3 0.03 99.05 861 | 15 0.15 99.20 862 | 2 0.02 99.22 863 | 47 0.47 99.69 865 | 5 0.05 99.74 866 | 1 0.01 99.75 867 | 1 0.01 99.76 868 | 3 0.03 99.79 875 | 1 0.01 99.80 891 | 1 0.01 99.81 916 | 1 0.01 99.82 935 | 2 0.02 99.84 964 | 1 0.01 99.85 965 | 1 0.01 99.86 978 | 2 0.02 99.88 992 | 5 0.05 99.93 993 | 1 0.01 99.94 999 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016