Frequencies for first 10,000 rows of form5 variable in namcs1997 dataset :

         is |
 medication |
  #5 from a |
  formulary |
      list? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        201        2.01        2.01
          1 |        133        1.33        3.34
          2 |        640        6.40        9.74
          3 |      9,026       90.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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