Frequencies for first 10,000 rows of rx5v1c2 variable in namcs2010 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,761       97.61       97.61
        001 |         11        0.11       97.72
        020 |          1        0.01       97.73
        040 |         49        0.49       98.22
        057 |         30        0.30       98.52
        081 |         61        0.61       99.13
        087 |          1        0.01       99.14
        097 |         19        0.19       99.33
        105 |         14        0.14       99.47
        115 |          5        0.05       99.52
        122 |         20        0.20       99.72
        133 |          5        0.05       99.77
        218 |          3        0.03       99.80
        242 |          3        0.03       99.83
        254 |          1        0.01       99.84
        358 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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