Frequencies for first 10,000 rows of rx5v1c2 variable in namcs2011 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,741       97.41       97.41
        001 |         11        0.11       97.52
        040 |         55        0.55       98.07
        057 |         38        0.38       98.45
        081 |         74        0.74       99.19
        087 |          1        0.01       99.20
        097 |         13        0.13       99.33
        105 |          7        0.07       99.40
        115 |          6        0.06       99.46
        122 |         13        0.13       99.59
        133 |          4        0.04       99.63
        218 |          4        0.04       99.67
        242 |          4        0.04       99.71
        254 |          2        0.02       99.73
        358 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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