Frequencies for first 10,000 rows of proc43d variable in nhamcsopd1993 dataset : service #4 | procedure | code - 3 | digits | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,857 98.57 98.57 131 | 2 0.02 98.59 134 | 4 0.04 98.63 137 | 2 0.02 98.65 216 | 1 0.01 98.66 344 | 1 0.01 98.67 452 | 1 0.01 98.68 454 | 1 0.01 98.69 573 | 1 0.01 98.70 579 | 1 0.01 98.71 601 | 1 0.01 98.72 663 | 1 0.01 98.73 671 | 2 0.02 98.75 690 | 4 0.04 98.79 695 | 1 0.01 98.80 779 | 1 0.01 98.81 802 | 2 0.02 98.83 803 | 1 0.01 98.84 852 | 1 0.01 98.85 854 | 1 0.01 98.86 869 | 1 0.01 98.87 872 | 1 0.01 98.88 873 | 3 0.03 98.91 874 | 6 0.06 98.97 875 | 1 0.01 98.98 877 | 2 0.02 99.00 880 | 1 0.01 99.01 882 | 6 0.06 99.07 883 | 2 0.02 99.09 887 | 10 0.10 99.19 889 | 1 0.01 99.20 892 | 3 0.03 99.23 893 | 7 0.07 99.30 895 | 7 0.07 99.37 903 | 1 0.01 99.38 909 | 6 0.06 99.44 913 | 3 0.03 99.47 914 | 32 0.32 99.79 931 | 2 0.02 99.81 933 | 1 0.01 99.82 935 | 4 0.04 99.86 943 | 3 0.03 99.89 946 | 1 0.01 99.90 950 | 3 0.03 99.93 999 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016