Frequencies for homvisr variable in namcsphys2005_2010 dataset :

        did |
  physician |
  make home |
     visits |
during last |
normal week |
         of |
  practice? |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |        225        3.02        3.02
          0 |      6,878       92.33       95.36
          1 |        346        4.64      100.00
------------+-----------------------------------
      Total |      7,449      100.00

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