Frequencies for first 10,000 rows of rx5v1c2 variable in namcs2007 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,801       98.01       98.01
        001 |          8        0.08       98.09
        040 |         17        0.17       98.26
        057 |         45        0.45       98.71
        081 |         58        0.58       99.29
        087 |          1        0.01       99.30
        097 |         16        0.16       99.46
        105 |         19        0.19       99.65
        115 |          4        0.04       99.69
        122 |         10        0.10       99.79
        133 |          2        0.02       99.81
        218 |          1        0.01       99.82
        242 |          2        0.02       99.84
        254 |          1        0.01       99.85
        358 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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