Frequencies for first 10,000 rows of pct017d008 variable in sf12000860us34 dataset :

     Mental |
(Psychiatri |
         c) |
  hospitals |
   or wards |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,984       99.84       99.84
          1 |         14        0.14       99.98
          2 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017