Frequencies for first 10,000 rows of hosvisr variable in namcs2007 dataset :

    in last |
  normal wk |
   of prac, |
   hospital |
    visits? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        511        5.11        5.11
         no |      3,935       39.35       44.46
        yes |      5,554       55.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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