Frequencies for first 10,000 rows of form3 variable in namcs2000 dataset :

         is |
 medication |
  #3 from a |
  formulary |
      list? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        305        3.05        3.05
          1 |        469        4.69        7.74
          2 |      1,370       13.70       21.44
          3 |      7,856       78.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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