Frequencies for first 10,000 rows of drg4ing2 variable in namcs1996 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,809 98.09 98.09 50410 | 2 0.02 98.11 50530 | 1 0.01 98.12 50660 | 1 0.01 98.13 50728 | 5 0.05 98.18 50785 | 1 0.01 98.19 51064 | 1 0.01 98.20 51170 | 1 0.01 98.21 51275 | 1 0.01 98.22 51290 | 3 0.03 98.25 51340 | 6 0.06 98.31 51708 | 2 0.02 98.33 51935 | 2 0.02 98.35 52055 | 2 0.02 98.37 52065 | 2 0.02 98.39 52490 | 2 0.02 98.41 52501 | 1 0.01 98.42 52645 | 4 0.04 98.46 52650 | 15 0.15 98.61 52655 | 2 0.02 98.63 52715 | 3 0.03 98.66 52720 | 2 0.02 98.68 52825 | 4 0.04 98.72 52845 | 1 0.01 98.73 52980 | 1 0.01 98.74 53050 | 4 0.04 98.78 53175 | 4 0.04 98.82 53280 | 1 0.01 98.83 53670 | 1 0.01 98.84 53720 | 1 0.01 98.85 53820 | 3 0.03 98.88 53895 | 3 0.03 98.91 53965 | 1 0.01 98.92 54000 | 1 0.01 98.93 54094 | 5 0.05 98.98 54320 | 1 0.01 98.99 54395 | 1 0.01 99.00 54405 | 1 0.01 99.01 54455 | 4 0.04 99.05 54465 | 3 0.03 99.08 54595 | 2 0.02 99.10 54860 | 5 0.05 99.15 54890 | 19 0.19 99.34 54960 | 8 0.08 99.42 54990 | 3 0.03 99.45 55460 | 3 0.03 99.48 55521 | 1 0.01 99.49 55580 | 1 0.01 99.50 55610 | 1 0.01 99.51 55850 | 1 0.01 99.52 55915 | 2 0.02 99.54 55925 | 27 0.27 99.81 55997 | 6 0.06 99.87 56020 | 1 0.01 99.88 56185 | 1 0.01 99.89 56194 | 2 0.02 99.91 56195 | 3 0.03 99.94 56355 | 1 0.01 99.95 57033 | 3 0.03 99.98 80007 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016