Frequencies for first 10,000 rows of drg1ing4 variable in namcs2005 dataset : ingredient | code #4 for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,869 98.69 98.69 53175 | 1 0.01 98.70 53530 | 1 0.01 98.71 54238 | 1 0.01 98.72 54440 | 1 0.01 98.73 54713 | 4 0.04 98.77 55105 | 3 0.03 98.80 55520 | 2 0.02 98.82 55755 | 16 0.16 98.98 56185 | 1 0.01 98.99 56193 | 2 0.02 99.01 56194 | 2 0.02 99.03 56265 | 1 0.01 99.04 70154 | 1 0.01 99.05 70260 | 35 0.35 99.40 70334 | 5 0.05 99.45 70336 | 4 0.04 99.49 70338 | 1 0.01 99.50 70358 | 1 0.01 99.51 70362 | 4 0.04 99.55 70413 | 2 0.02 99.57 70434 | 1 0.01 99.58 70440 | 3 0.03 99.61 70668 | 3 0.03 99.64 70673 | 2 0.02 99.66 70691 | 1 0.01 99.67 70708 | 30 0.30 99.97 70716 | 2 0.02 99.99 70775 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016