Frequencies for first 10,000 rows of rx1v1c1 variable in namcs2011 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,070       20.70       20.70
        001 |      1,175       11.75       32.45
        020 |         28        0.28       32.73
        028 |          3        0.03       32.76
        040 |        901        9.01       41.77
        057 |      1,624       16.24       58.01
        081 |         80        0.80       58.81
        087 |        321        3.21       62.02
        097 |        445        4.45       66.47
        105 |        129        1.29       67.76
        113 |         53        0.53       68.29
        115 |        324        3.24       71.53
        122 |        690        6.90       78.43
        133 |        526        5.26       83.69
        218 |         93        0.93       84.62
        242 |        344        3.44       88.06
        254 |        638        6.38       94.44
        331 |          2        0.02       94.46
        358 |        545        5.45       99.91
        899 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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