Frequencies for first 10,000 rows of drugcl6 variable in namcs2000 dataset : drug class | for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,580 95.80 95.80 0346 | 4 0.04 95.84 0347 | 2 0.02 95.86 0348 | 1 0.01 95.87 0354 | 3 0.03 95.90 0355 | 1 0.01 95.91 0357 | 1 0.01 95.92 0388 | 2 0.02 95.94 0408 | 3 0.03 95.97 0409 | 4 0.04 96.01 0501 | 3 0.03 96.04 0503 | 5 0.05 96.09 0504 | 1 0.01 96.10 0506 | 11 0.11 96.21 0507 | 15 0.15 96.36 0509 | 1 0.01 96.37 0510 | 9 0.09 96.46 0512 | 5 0.05 96.51 0513 | 6 0.06 96.57 0514 | 12 0.12 96.69 0626 | 6 0.06 96.75 0627 | 9 0.09 96.84 0628 | 1 0.01 96.85 0630 | 15 0.15 97.00 0631 | 2 0.02 97.02 0874 | 26 0.26 97.28 0875 | 2 0.02 97.30 0876 | 2 0.02 97.32 0877 | 7 0.07 97.39 0878 | 1 0.01 97.40 0912 | 20 0.20 97.60 0913 | 15 0.15 97.75 0914 | 2 0.02 97.77 0915 | 12 0.12 97.89 0916 | 6 0.06 97.95 0917 | 1 0.01 97.96 1000 | 2 0.02 97.98 1032 | 5 0.05 98.03 1034 | 9 0.09 98.12 1036 | 25 0.25 98.37 1037 | 13 0.13 98.50 1040 | 1 0.01 98.51 1180 | 9 0.09 98.60 1264 | 1 0.01 98.61 1265 | 1 0.01 98.62 1268 | 8 0.08 98.70 1373 | 2 0.02 98.72 1374 | 6 0.06 98.78 1566 | 5 0.05 98.83 1568 | 1 0.01 98.84 1670 | 1 0.01 98.85 1671 | 2 0.02 98.87 1720 | 1 0.01 98.88 1721 | 16 0.16 99.04 1722 | 28 0.28 99.32 1724 | 12 0.12 99.44 1725 | 2 0.02 99.46 1727 | 2 0.02 99.48 1940 | 16 0.16 99.64 1941 | 1 0.01 99.65 1943 | 3 0.03 99.68 1944 | 12 0.12 99.80 1947 | 8 0.08 99.88 2000 | 1 0.01 99.89 2087 | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016