Frequencies for first 10,000 rows of rx2v1c3 variable in namcs2014 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,928       99.28       99.28
        040 |          8        0.08       99.36
        057 |         55        0.55       99.91
        097 |          1        0.01       99.92
        105 |          3        0.03       99.95
        113 |          4        0.04       99.99
        254 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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