Frequencies for first 10,000 rows of drugcl4 variable in namcs2001 dataset : ndc code | for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,016 90.16 90.16 0117 | 4 0.04 90.20 0119 | 1 0.01 90.21 0300 | 1 0.01 90.22 0346 | 4 0.04 90.26 0347 | 2 0.02 90.28 0348 | 2 0.02 90.30 0350 | 1 0.01 90.31 0354 | 6 0.06 90.37 0355 | 6 0.06 90.43 0357 | 3 0.03 90.46 0388 | 2 0.02 90.48 0408 | 10 0.10 90.58 0409 | 24 0.24 90.82 0501 | 11 0.11 90.93 0502 | 3 0.03 90.96 0503 | 21 0.21 91.17 0504 | 3 0.03 91.20 0506 | 20 0.20 91.40 0507 | 33 0.33 91.73 0508 | 1 0.01 91.74 0509 | 5 0.05 91.79 0510 | 30 0.30 92.09 0512 | 37 0.37 92.46 0513 | 10 0.10 92.56 0514 | 41 0.41 92.97 0626 | 9 0.09 93.06 0627 | 32 0.32 93.38 0628 | 4 0.04 93.42 0630 | 67 0.67 94.09 0631 | 2 0.02 94.11 0632 | 3 0.03 94.14 0633 | 1 0.01 94.15 0635 | 1 0.01 94.16 0789 | 1 0.01 94.17 0874 | 33 0.33 94.50 0875 | 1 0.01 94.51 0876 | 2 0.02 94.53 0877 | 1 0.01 94.54 0878 | 1 0.01 94.55 0879 | 1 0.01 94.56 0912 | 49 0.49 95.05 0913 | 31 0.31 95.36 0915 | 16 0.16 95.52 0916 | 7 0.07 95.59 0917 | 1 0.01 95.60 1032 | 12 0.12 95.72 1033 | 1 0.01 95.73 1034 | 25 0.25 95.98 1036 | 29 0.29 96.27 1037 | 16 0.16 96.43 1038 | 1 0.01 96.44 1040 | 3 0.03 96.47 1180 | 34 0.34 96.81 1181 | 3 0.03 96.84 1264 | 2 0.02 96.86 1265 | 9 0.09 96.95 1268 | 6 0.06 97.01 1269 | 1 0.01 97.02 1270 | 2 0.02 97.04 1271 | 7 0.07 97.11 1275 | 2 0.02 97.13 1371 | 7 0.07 97.20 1372 | 1 0.01 97.21 1373 | 9 0.09 97.30 1374 | 14 0.14 97.44 1479 | 3 0.03 97.47 1480 | 1 0.01 97.48 1481 | 2 0.02 97.50 1482 | 1 0.01 97.51 1483 | 1 0.01 97.52 1566 | 9 0.09 97.61 1567 | 1 0.01 97.62 1568 | 3 0.03 97.65 1569 | 4 0.04 97.69 1671 | 3 0.03 97.72 1720 | 1 0.01 97.73 1721 | 10 0.10 97.83 1722 | 52 0.52 98.35 1723 | 7 0.07 98.42 1724 | 4 0.04 98.46 1725 | 3 0.03 98.49 1727 | 39 0.39 98.88 1860 | 4 0.04 98.92 1864 | 2 0.02 98.94 1940 | 42 0.42 99.36 1941 | 6 0.06 99.42 1943 | 2 0.02 99.44 1944 | 22 0.22 99.66 1947 | 20 0.20 99.86 2000 | 1 0.01 99.87 2087 | 12 0.12 99.99 2100 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016