Frequencies for first 10,000 rows of drug7cl1 variable in namcs2004 dataset : ndc code #1 | for | medication | #7 | Freq. Percent Cum. ------------+----------------------------------- | 9,514 95.14 95.14 0118 | 2 0.02 95.16 0346 | 1 0.01 95.17 0350 | 2 0.02 95.19 0354 | 2 0.02 95.21 0356 | 1 0.01 95.22 0357 | 1 0.01 95.23 0408 | 8 0.08 95.31 0409 | 13 0.13 95.44 0501 | 3 0.03 95.47 0502 | 3 0.03 95.50 0503 | 11 0.11 95.61 0504 | 4 0.04 95.65 0506 | 26 0.26 95.91 0507 | 21 0.21 96.12 0509 | 1 0.01 96.13 0510 | 5 0.05 96.18 0511 | 1 0.01 96.19 0512 | 14 0.14 96.33 0513 | 5 0.05 96.38 0514 | 14 0.14 96.52 0626 | 10 0.10 96.62 0627 | 11 0.11 96.73 0628 | 4 0.04 96.77 0630 | 20 0.20 96.97 0631 | 2 0.02 96.99 0632 | 3 0.03 97.02 0633 | 1 0.01 97.03 0874 | 30 0.30 97.33 0875 | 1 0.01 97.34 0876 | 4 0.04 97.38 0877 | 2 0.02 97.40 0878 | 1 0.01 97.41 0879 | 1 0.01 97.42 0912 | 38 0.38 97.80 0913 | 22 0.22 98.02 0914 | 2 0.02 98.04 0915 | 20 0.20 98.24 0916 | 6 0.06 98.30 0917 | 1 0.01 98.31 1032 | 4 0.04 98.35 1033 | 1 0.01 98.36 1034 | 5 0.05 98.41 1036 | 17 0.17 98.58 1037 | 11 0.11 98.69 1265 | 3 0.03 98.72 1271 | 1 0.01 98.73 1274 | 1 0.01 98.74 1373 | 3 0.03 98.77 1374 | 10 0.10 98.87 1479 | 5 0.05 98.92 1480 | 1 0.01 98.93 1481 | 1 0.01 98.94 1566 | 4 0.04 98.98 1568 | 1 0.01 98.99 1569 | 1 0.01 99.00 1671 | 5 0.05 99.05 1720 | 1 0.01 99.06 1721 | 10 0.10 99.16 1722 | 28 0.28 99.44 1724 | 6 0.06 99.50 1725 | 3 0.03 99.53 1727 | 3 0.03 99.56 1860 | 1 0.01 99.57 1940 | 17 0.17 99.74 1943 | 2 0.02 99.76 1944 | 8 0.08 99.84 1947 | 3 0.03 99.87 2087 | 10 0.10 99.97 2100 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016