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

   TAKEN TO |
   HOSPITAL |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,994       49.94       49.94
          1 |      4,750       47.50       97.44
          9 |        256        2.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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