Frequencies for first 10,000 rows of rx5v1c1 variable in namcs2007 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,231       82.31       82.31
        001 |         53        0.53       82.84
        020 |         15        0.15       82.99
        028 |          2        0.02       83.01
        040 |        328        3.28       86.29
        057 |        359        3.59       89.88
        081 |         37        0.37       90.25
        087 |        119        1.19       91.44
        097 |         93        0.93       92.37
        105 |         54        0.54       92.91
        115 |        127        1.27       94.18
        122 |        125        1.25       95.43
        133 |         60        0.60       96.03
        218 |         21        0.21       96.24
        242 |         99        0.99       97.23
        254 |         77        0.77       98.00
        358 |        199        1.99       99.99
        365 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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