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

   Taken to |
   Hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,121       41.21       41.21
          1 |      5,638       56.38       97.59
          9 |        241        2.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016