Frequencies for first 10,000 rows of form5 variable in namcs2000 dataset :

         is |
 medication |
  #5 from a |
  formulary |
      list? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        128        1.28        1.28
          1 |        126        1.26        2.54
          2 |        455        4.55        7.09
          3 |      9,291       92.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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