Frequencies for first 10,000 rows of prescr14 variable in namcs2015 dataset :

Prescriptio |
   n status |
   code for |
 medication |
        #14 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        191        1.91        1.91
          2 |         15        0.15        2.06
          3 |          8        0.08        2.14
          5 |         95        0.95        3.09
          . |      9,691       96.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017