Frequencies for first 10,000 rows of prescr11 variable in namcs2015 dataset :

Prescriptio |
   n status |
   code for |
 medication |
        #11 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        408        4.08        4.08
          2 |         27        0.27        4.35
          3 |         11        0.11        4.46
          5 |        210        2.10        6.56
          . |      9,344       93.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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