Frequencies for first 10,000 rows of rx7v1c2 variable in namcs2013 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,837       98.37       98.37
        001 |          8        0.08       98.45
        020 |          2        0.02       98.47
        040 |         37        0.37       98.84
        057 |         22        0.22       99.06
        081 |         45        0.45       99.51
        097 |          8        0.08       99.59
        105 |          4        0.04       99.63
        115 |          2        0.02       99.65
        122 |          8        0.08       99.73
        133 |          5        0.05       99.78
        218 |          4        0.04       99.82
        242 |          5        0.05       99.87
        358 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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