Frequencies for first 10,000 rows of rx6v1c1 variable in namcs2012 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,553       85.53       85.53
        001 |         29        0.29       85.82
        020 |         10        0.10       85.92
        028 |          1        0.01       85.93
        040 |        231        2.31       88.24
        057 |        285        2.85       91.09
        081 |         28        0.28       91.37
        087 |         92        0.92       92.29
        097 |         88        0.88       93.17
        105 |         24        0.24       93.41
        113 |         11        0.11       93.52
        115 |        161        1.61       95.13
        122 |         87        0.87       96.00
        133 |         79        0.79       96.79
        218 |         65        0.65       97.44
        242 |         85        0.85       98.29
        254 |         21        0.21       98.50
        358 |        150        1.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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