Frequencies for first 10,000 rows of drg4ing2 variable in namcs1999 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,922 99.22 99.22 50530 | 2 0.02 99.24 50728 | 3 0.03 99.27 50745 | 1 0.01 99.28 51340 | 2 0.02 99.30 52650 | 7 0.07 99.37 52883 | 5 0.05 99.42 52885 | 1 0.01 99.43 53050 | 1 0.01 99.44 53175 | 1 0.01 99.45 53280 | 5 0.05 99.50 53445 | 6 0.06 99.56 53630 | 1 0.01 99.57 53754 | 8 0.08 99.65 53820 | 2 0.02 99.67 54455 | 1 0.01 99.68 54595 | 1 0.01 99.69 54700 | 1 0.01 99.70 54800 | 1 0.01 99.71 54860 | 1 0.01 99.72 54890 | 2 0.02 99.74 54960 | 4 0.04 99.78 55610 | 1 0.01 99.79 55925 | 5 0.05 99.84 55997 | 2 0.02 99.86 56285 | 2 0.02 99.88 56355 | 2 0.02 99.90 57033 | 3 0.03 99.93 59735 | 1 0.01 99.94 80007 | 2 0.02 99.96 91011 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016