Frequencies for first 10,000 rows of rx1v3c2 variable in namcs2006 dataset :

   for rx1, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,696       96.96       96.96
        060 |          1        0.01       96.97
        062 |          2        0.02       96.99
        102 |          9        0.09       97.08
        138 |          1        0.01       97.09
        140 |          5        0.05       97.14
        141 |          1        0.01       97.15
        158 |          1        0.01       97.16
        174 |          3        0.03       97.19
        180 |          1        0.01       97.20
        185 |          8        0.08       97.28
        186 |          7        0.07       97.35
        196 |         36        0.36       97.71
        197 |          1        0.01       97.72
        198 |          5        0.05       97.77
        201 |          2        0.02       97.79
        203 |         51        0.51       98.30
        204 |          2        0.02       98.32
        209 |          1        0.01       98.33
        210 |          1        0.01       98.34
        211 |         85        0.85       99.19
        238 |          1        0.01       99.20
        239 |         25        0.25       99.45
        264 |          4        0.04       99.49
        268 |          7        0.07       99.56
        276 |          2        0.02       99.58
        290 |          1        0.01       99.59
        292 |         12        0.12       99.71
        301 |         23        0.23       99.94
        317 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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