Frequencies for first 10,000 rows of amb2 variable in namcs2003 dataset : surgical | procedure | #2 - 4 | digit | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,844 98.44 98.44 1265 | 1 0.01 98.45 1273 | 1 0.01 98.46 1371 | 9 0.09 98.55 2001 | 6 0.06 98.61 2132 | 2 0.02 98.63 2169 | 6 0.06 98.69 2171 | 1 0.01 98.70 2188 | 4 0.04 98.74 2219 | 1 0.01 98.75 222- | 1 0.01 98.76 229- | 2 0.02 98.78 2632 | 1 0.01 98.79 282- | 1 0.01 98.80 283- | 1 0.01 98.81 2899 | 1 0.01 98.82 3143 | 1 0.01 98.83 3800 | 1 0.01 98.84 3859 | 1 0.01 98.85 3862 | 1 0.01 98.86 398- | 1 0.01 98.87 3999 | 1 0.01 98.88 4011 | 1 0.01 98.89 4023 | 1 0.01 98.90 4652 | 1 0.01 98.91 4824 | 1 0.01 98.92 5349 | 1 0.01 98.93 5719 | 1 0.01 98.94 5733 | 1 0.01 98.95 5843 | 1 0.01 98.96 5847 | 1 0.01 98.97 5999 | 1 0.01 98.98 6092 | 1 0.01 98.99 6149 | 1 0.01 99.00 625- | 2 0.02 99.02 640- | 1 0.01 99.03 6563 | 1 0.01 99.04 6622 | 1 0.01 99.05 6639 | 1 0.01 99.06 672- | 1 0.01 99.07 6823 | 1 0.01 99.08 6829 | 1 0.01 99.09 689- | 1 0.01 99.10 7766 | 1 0.01 99.11 806- | 1 0.01 99.12 8091 | 1 0.01 99.13 8108 | 1 0.01 99.14 8154 | 1 0.01 99.15 8398 | 1 0.01 99.16 8415 | 1 0.01 99.17 8417 | 1 0.01 99.18 8511 | 1 0.01 99.19 8591 | 1 0.01 99.20 8604 | 3 0.03 99.23 8611 | 11 0.11 99.34 8619 | 1 0.01 99.35 863- | 40 0.40 99.75 8659 | 2 0.02 99.77 8753 | 1 0.01 99.78 8897 | 1 0.01 99.79 8908 | 1 0.01 99.80 9169 | 1 0.01 99.81 9357 | 1 0.01 99.82 9359 | 1 0.01 99.83 9546 | 1 0.01 99.84 9625 | 1 0.01 99.85 9649 | 1 0.01 99.86 9764 | 1 0.01 99.87 9774 | 1 0.01 99.88 9789 | 1 0.01 99.89 9912 | 1 0.01 99.90 9923 | 4 0.04 99.94 9929 | 5 0.05 99.99 9999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016