Frequencies for first 10,000 rows of hosvisr variable in namcs2004 dataset :

   did phys |
  make hosp |
visits last |
    full wk |
      prac? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,625       26.25       26.25
          1 |      6,063       60.63       86.88
          2 |      1,312       13.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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