Frequencies for first 10,000 rows of rx8v1c2 variable in nhamcsed2015 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,917       99.17       99.17
        001 |         13        0.13       99.30
        040 |         13        0.13       99.43
        057 |         18        0.18       99.61
        081 |          6        0.06       99.67
        087 |          1        0.01       99.68
        097 |          1        0.01       99.69
        115 |          2        0.02       99.71
        122 |         26        0.26       99.97
        133 |          2        0.02       99.99
        218 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017