Frequencies for first 10,000 rows of rx5v3c2 variable in namcs2009 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,786       97.86       97.86
        174 |          8        0.08       97.94
        180 |          2        0.02       97.96
        182 |          1        0.01       97.97
        196 |          5        0.05       98.02
        198 |         19        0.19       98.21
        201 |          2        0.02       98.23
        203 |         16        0.16       98.39
        210 |          2        0.02       98.41
        211 |        107        1.07       99.48
        238 |          5        0.05       99.53
        239 |          1        0.01       99.54
        268 |          3        0.03       99.57
        279 |          1        0.01       99.58
        292 |          1        0.01       99.59
        301 |          7        0.07       99.66
        351 |          1        0.01       99.67
        385 |          2        0.02       99.69
        386 |          5        0.05       99.74
        388 |         18        0.18       99.92
        389 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016