Frequencies for first 10,000 rows of drugcl6 variable in namcs1997 dataset : drug class | for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,431 94.31 94.31 0119 | 1 0.01 94.32 0346 | 3 0.03 94.35 0347 | 3 0.03 94.38 0348 | 1 0.01 94.39 0350 | 2 0.02 94.41 0353 | 3 0.03 94.44 0355 | 4 0.04 94.48 0357 | 1 0.01 94.49 0408 | 12 0.12 94.61 0409 | 11 0.11 94.72 0501 | 22 0.22 94.94 0502 | 3 0.03 94.97 0503 | 25 0.25 95.22 0504 | 1 0.01 95.23 0506 | 3 0.03 95.26 0507 | 36 0.36 95.62 0508 | 1 0.01 95.63 0509 | 1 0.01 95.64 0510 | 19 0.19 95.83 0512 | 8 0.08 95.91 0513 | 5 0.05 95.96 0514 | 20 0.20 96.16 0626 | 5 0.05 96.21 0627 | 17 0.17 96.38 0628 | 2 0.02 96.40 0630 | 14 0.14 96.54 0632 | 1 0.01 96.55 0635 | 1 0.01 96.56 0789 | 1 0.01 96.57 0874 | 23 0.23 96.80 0875 | 1 0.01 96.81 0876 | 9 0.09 96.90 0877 | 2 0.02 96.92 0878 | 3 0.03 96.95 0879 | 2 0.02 96.97 0912 | 7 0.07 97.04 0913 | 25 0.25 97.29 0915 | 37 0.37 97.66 0916 | 3 0.03 97.69 1032 | 10 0.10 97.79 1033 | 2 0.02 97.81 1034 | 29 0.29 98.10 1036 | 19 0.19 98.29 1037 | 9 0.09 98.38 1180 | 4 0.04 98.42 1265 | 2 0.02 98.44 1268 | 9 0.09 98.53 1271 | 5 0.05 98.58 1373 | 8 0.08 98.66 1374 | 5 0.05 98.71 1480 | 1 0.01 98.72 1481 | 1 0.01 98.73 1482 | 1 0.01 98.74 1566 | 1 0.01 98.75 1567 | 2 0.02 98.77 1568 | 1 0.01 98.78 1569 | 1 0.01 98.79 1671 | 1 0.01 98.80 1721 | 12 0.12 98.92 1722 | 52 0.52 99.44 1725 | 16 0.16 99.60 1727 | 8 0.08 99.68 1864 | 2 0.02 99.70 1940 | 20 0.20 99.90 1941 | 1 0.01 99.91 1943 | 1 0.01 99.92 1944 | 2 0.02 99.94 1947 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016