Frequencies for first 10,000 rows of rx9v1c2 variable in namcs2014 dataset :

   For RX9, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,878       98.78       98.78
        001 |          7        0.07       98.85
        040 |         26        0.26       99.11
        057 |         12        0.12       99.23
        081 |         31        0.31       99.54
        097 |          4        0.04       99.58
        105 |          6        0.06       99.64
        115 |          5        0.05       99.69
        122 |          8        0.08       99.77
        133 |          3        0.03       99.80
        218 |          4        0.04       99.84
        242 |          3        0.03       99.87
        254 |          1        0.01       99.88
        358 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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