Frequencies for first 10,000 rows of rx6v1c2 variable in namcs2013 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,770       97.70       97.70
        001 |         11        0.11       97.81
        040 |         43        0.43       98.24
        057 |         27        0.27       98.51
        081 |         63        0.63       99.14
        087 |          1        0.01       99.15
        097 |         13        0.13       99.28
        105 |         10        0.10       99.38
        115 |         13        0.13       99.51
        122 |         16        0.16       99.67
        133 |          6        0.06       99.73
        218 |          8        0.08       99.81
        242 |          3        0.03       99.84
        254 |          4        0.04       99.88
        358 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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