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

      During last |
   normal week of |
practice, did you |
make any hospital |
          visits? |      Freq.     Percent        Cum.
------------------+-----------------------------------
          Unknown |        306        3.06        3.06
               No |      4,653       46.53       49.59
              Yes |      5,041       50.41      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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