Frequencies for first 10,000 rows of rx5v1c2 variable in namcs2006 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,827       98.27       98.27
        001 |         11        0.11       98.38
        040 |         17        0.17       98.55
        057 |         32        0.32       98.87
        081 |         59        0.59       99.46
        097 |          8        0.08       99.54
        105 |         12        0.12       99.66
        115 |          4        0.04       99.70
        122 |         12        0.12       99.82
        133 |          6        0.06       99.88
        242 |          1        0.01       99.89
        358 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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