Frequencies for first 10,000 rows of rx5v1c2 variable in namcs2012 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,776       97.76       97.76
        001 |         13        0.13       97.89
        040 |         50        0.50       98.39
        057 |         30        0.30       98.69
        081 |         49        0.49       99.18
        087 |          1        0.01       99.19
        097 |         15        0.15       99.34
        105 |         15        0.15       99.49
        115 |          5        0.05       99.54
        122 |         24        0.24       99.78
        133 |          4        0.04       99.82
        218 |          2        0.02       99.84
        242 |          2        0.02       99.86
        254 |          5        0.05       99.91
        358 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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