Frequencies for first 10,000 rows of form5 variable in namcs1998 dataset :

         is |
 medication |
  #5 from a |
  formulary |
      list? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        116        1.16        1.16
          1 |         87        0.87        2.03
          2 |        376        3.76        5.79
          3 |      9,421       94.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016