Frequencies for first 10,000 rows of drugcl5 variable in namcs2001 dataset : ndc code | for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,349 93.49 93.49 0117 | 4 0.04 93.53 0119 | 1 0.01 93.54 0346 | 2 0.02 93.56 0347 | 1 0.01 93.57 0348 | 1 0.01 93.58 0350 | 1 0.01 93.59 0353 | 1 0.01 93.60 0354 | 2 0.02 93.62 0357 | 1 0.01 93.63 0408 | 8 0.08 93.71 0409 | 16 0.16 93.87 0501 | 14 0.14 94.01 0502 | 3 0.03 94.04 0503 | 14 0.14 94.18 0504 | 4 0.04 94.22 0506 | 10 0.10 94.32 0507 | 28 0.28 94.60 0508 | 1 0.01 94.61 0509 | 4 0.04 94.65 0510 | 23 0.23 94.88 0512 | 27 0.27 95.15 0513 | 11 0.11 95.26 0514 | 27 0.27 95.53 0626 | 3 0.03 95.56 0627 | 10 0.10 95.66 0628 | 5 0.05 95.71 0630 | 33 0.33 96.04 0631 | 1 0.01 96.05 0632 | 1 0.01 96.06 0789 | 1 0.01 96.07 0874 | 27 0.27 96.34 0875 | 1 0.01 96.35 0876 | 4 0.04 96.39 0877 | 1 0.01 96.40 0878 | 2 0.02 96.42 0912 | 25 0.25 96.67 0913 | 31 0.31 96.98 0915 | 13 0.13 97.11 0916 | 2 0.02 97.13 0917 | 1 0.01 97.14 1000 | 2 0.02 97.16 1032 | 4 0.04 97.20 1033 | 5 0.05 97.25 1034 | 18 0.18 97.43 1036 | 24 0.24 97.67 1037 | 10 0.10 97.77 1040 | 3 0.03 97.80 1180 | 12 0.12 97.92 1264 | 1 0.01 97.93 1265 | 3 0.03 97.96 1268 | 2 0.02 97.98 1271 | 3 0.03 98.01 1371 | 1 0.01 98.02 1373 | 7 0.07 98.09 1374 | 7 0.07 98.16 1480 | 1 0.01 98.17 1566 | 4 0.04 98.21 1567 | 1 0.01 98.22 1568 | 4 0.04 98.26 1569 | 2 0.02 98.28 1671 | 2 0.02 98.30 1720 | 1 0.01 98.31 1721 | 11 0.11 98.42 1722 | 41 0.41 98.83 1723 | 4 0.04 98.87 1725 | 6 0.06 98.93 1727 | 26 0.26 99.19 1864 | 1 0.01 99.20 1940 | 26 0.26 99.46 1941 | 3 0.03 99.49 1943 | 4 0.04 99.53 1944 | 23 0.23 99.76 1947 | 16 0.16 99.92 2087 | 6 0.06 99.98 2100 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016