Frequencies for first 10,000 rows of rx1v1c2 variable in namcs2013 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,140       91.40       91.40
        001 |        103        1.03       92.43
        020 |          4        0.04       92.47
        040 |        115        1.15       93.62
        057 |         96        0.96       94.58
        081 |        201        2.01       96.59
        097 |         68        0.68       97.27
        105 |         27        0.27       97.54
        115 |         30        0.30       97.84
        122 |        103        1.03       98.87
        133 |         46        0.46       99.33
        218 |          9        0.09       99.42
        242 |          5        0.05       99.47
        254 |         26        0.26       99.73
        358 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017