Frequencies for first 10,000 rows of drg1ing3 variable in namcs1995 dataset : ingredient | code #3 for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,768 97.68 97.68 50637 | 4 0.04 97.72 50745 | 16 0.16 97.88 51670 | 1 0.01 97.89 52035 | 1 0.01 97.90 52885 | 1 0.01 97.91 52908 | 8 0.08 97.99 52955 | 1 0.01 98.00 53175 | 1 0.01 98.01 53530 | 3 0.03 98.04 53650 | 1 0.01 98.05 53780 | 1 0.01 98.06 53895 | 6 0.06 98.12 54050 | 5 0.05 98.17 54325 | 7 0.07 98.24 54395 | 9 0.09 98.33 54400 | 1 0.01 98.34 54455 | 10 0.10 98.44 54465 | 38 0.38 98.82 54468 | 5 0.05 98.87 54595 | 22 0.22 99.09 54860 | 2 0.02 99.11 54895 | 1 0.01 99.12 54960 | 10 0.10 99.22 54990 | 2 0.02 99.24 54995 | 13 0.13 99.37 55080 | 1 0.01 99.38 55105 | 25 0.25 99.63 55130 | 10 0.10 99.73 55160 | 1 0.01 99.74 55240 | 7 0.07 99.81 55548 | 2 0.02 99.83 56185 | 13 0.13 99.96 56193 | 1 0.01 99.97 57058 | 1 0.01 99.98 57122 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016