Frequencies for first 10,000 rows of hospital variable in person dataset :

   Taken to |
   Hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,511       35.11       35.11
          1 |      6,324       63.24       98.35
          9 |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016