Frequencies for first 10,000 rows of rx6v1c2 variable in namcs2012 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,814       98.14       98.14
        001 |          6        0.06       98.20
        040 |         31        0.31       98.51
        057 |         29        0.29       98.80
        081 |         53        0.53       99.33
        087 |          1        0.01       99.34
        097 |          5        0.05       99.39
        105 |         12        0.12       99.51
        115 |          9        0.09       99.60
        122 |         13        0.13       99.73
        133 |          3        0.03       99.76
        218 |          4        0.04       99.80
        242 |          3        0.03       99.83
        254 |          3        0.03       99.86
        358 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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