Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2013 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,551       95.51       95.51
        001 |         26        0.26       95.77
        020 |          1        0.01       95.78
        040 |         94        0.94       96.72
        057 |         79        0.79       97.51
        081 |        105        1.05       98.56
        087 |          1        0.01       98.57
        097 |         26        0.26       98.83
        105 |         16        0.16       98.99
        115 |         15        0.15       99.14
        122 |         34        0.34       99.48
        133 |         22        0.22       99.70
        218 |          1        0.01       99.71
        242 |          5        0.05       99.76
        254 |          6        0.06       99.82
        358 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017