Frequencies for first 10,000 rows of rx8v1c1 variable in namcs2012 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,095       90.95       90.95
        001 |         17        0.17       91.12
        020 |         11        0.11       91.23
        040 |        143        1.43       92.66
        057 |        159        1.59       94.25
        081 |         21        0.21       94.46
        087 |         87        0.87       95.33
        097 |         42        0.42       95.75
        105 |         21        0.21       95.96
        113 |          6        0.06       96.02
        115 |        105        1.05       97.07
        122 |         51        0.51       97.58
        133 |         47        0.47       98.05
        218 |         27        0.27       98.32
        242 |         49        0.49       98.81
        254 |          7        0.07       98.88
        358 |        111        1.11       99.99
        365 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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