Frequencies for first 10,000 rows of alglist2 variable in namcs2012 dataset :

 Share medication |
    allergy lists |
   electronically |
  (not fax) with: |
       ambulatory |
          provide |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Not applicable |      6,561       65.61       65.61
Box is not marked |        940        9.40       75.01
    Box is marked |      2,499       24.99      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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