Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2011 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,571       95.71       95.71
        001 |         27        0.27       95.98
        040 |         74        0.74       96.72
        057 |         82        0.82       97.54
        081 |         99        0.99       98.53
        087 |          1        0.01       98.54
        097 |         30        0.30       98.84
        105 |         22        0.22       99.06
        115 |         13        0.13       99.19
        122 |         44        0.44       99.63
        133 |         10        0.10       99.73
        218 |          4        0.04       99.77
        242 |          4        0.04       99.81
        254 |          2        0.02       99.83
        358 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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