Frequencies for first 10,000 rows of amb23 variable in namcs1999 dataset : ambulatory | surg | procedure | #2 - 3 dgt | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,952 99.52 99.52 082 | 2 0.02 99.54 137 | 1 0.01 99.55 210 | 1 0.01 99.56 274 | 1 0.01 99.57 452 | 3 0.03 99.60 483 | 1 0.01 99.61 673 | 1 0.01 99.62 690 | 1 0.01 99.63 702 | 1 0.01 99.64 819 | 3 0.03 99.67 839 | 1 0.01 99.68 860 | 2 0.02 99.70 861 | 7 0.07 99.77 863 | 16 0.16 99.93 865 | 1 0.01 99.94 935 | 2 0.02 99.96 963 | 1 0.01 99.97 965 | 1 0.01 99.98 976 | 1 0.01 99.99 999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016