Frequencies for first 10,000 rows of homvisr variable in namcs2001 dataset :

       does |
  physician |
  make home |
    visits? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,410       74.10       74.10
          1 |      1,578       15.78       89.88
          2 |      1,012       10.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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