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

    total # of |
   medications |
from formulary |
          list |      Freq.     Percent        Cum.
---------------+-----------------------------------
       0 drugs |        624        6.24        6.24
        1 drug |        983        9.83       16.07
       2 drugs |        477        4.77       20.84
       3 drugs |        228        2.28       23.12
       4 drugs |        124        1.24       24.36
       5 drugs |         55        0.55       24.91
       6 drugs |         61        0.61       25.52
Not applicable |      3,318       33.18       58.70
       Unknown |      4,130       41.30      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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