Frequencies for first 10,000 rows of rx2v1c1 variable in namcs2011 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,410       44.10       44.10
        001 |        387        3.87       47.97
        020 |         27        0.27       48.24
        028 |          1        0.01       48.25
        040 |        749        7.49       55.74
        057 |      1,175       11.75       67.49
        081 |         52        0.52       68.01
        087 |        252        2.52       70.53
        097 |        277        2.77       73.30
        105 |         71        0.71       74.01
        113 |         52        0.52       74.53
        115 |        283        2.83       77.36
        122 |        615        6.15       83.51
        133 |        389        3.89       87.40
        218 |         58        0.58       87.98
        242 |        271        2.71       90.69
        254 |        427        4.27       94.96
        331 |          1        0.01       94.97
        358 |        498        4.98       99.95
        365 |          2        0.02       99.97
        899 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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