Frequencies for first 10,000 rows of rx6v3c2 variable in namcs2007 dataset :

   for rx6, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,905       99.05       99.05
        102 |          1        0.01       99.06
        174 |          5        0.05       99.11
        180 |          1        0.01       99.12
        196 |          2        0.02       99.14
        198 |         17        0.17       99.31
        203 |          9        0.09       99.40
        211 |         48        0.48       99.88
        239 |          1        0.01       99.89
        268 |          1        0.01       99.90
        301 |          9        0.09       99.99
        351 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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