Frequencies for first 10,000 rows of drg4ing2 variable in namcs2002 dataset : Ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,894 98.94 98.94 50728 | 3 0.03 98.97 51170 | 1 0.01 98.98 51255 | 1 0.01 98.99 51708 | 2 0.02 99.01 52490 | 2 0.02 99.03 53670 | 4 0.04 99.07 53780 | 1 0.01 99.08 54328 | 2 0.02 99.10 54330 | 2 0.02 99.12 54385 | 1 0.01 99.13 54455 | 1 0.01 99.14 54465 | 1 0.01 99.15 54990 | 1 0.01 99.16 55105 | 1 0.01 99.17 55710 | 1 0.01 99.18 55925 | 9 0.09 99.27 55997 | 1 0.01 99.28 56194 | 1 0.01 99.29 56195 | 2 0.02 99.31 56445 | 2 0.02 99.33 56490 | 1 0.01 99.34 57130 | 5 0.05 99.39 57136 | 1 0.01 99.40 57146 | 1 0.01 99.41 57192 | 4 0.04 99.45 59710 | 1 0.01 99.46 70046 | 1 0.01 99.47 70150 | 3 0.03 99.50 70217 | 12 0.12 99.62 70231 | 3 0.03 99.65 70238 | 3 0.03 99.68 70239 | 1 0.01 99.69 70243 | 1 0.01 99.70 70256 | 1 0.01 99.71 70258 | 1 0.01 99.72 70269 | 2 0.02 99.74 70282 | 1 0.01 99.75 70330 | 2 0.02 99.77 70359 | 4 0.04 99.81 70362 | 2 0.02 99.83 70366 | 1 0.01 99.84 70403 | 2 0.02 99.86 70555 | 4 0.04 99.90 70564 | 3 0.03 99.93 70586 | 3 0.03 99.96 70599 | 1 0.01 99.97 80007 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016