Frequencies for first 10,000 rows of pct020f020 variable in sf12010860us38 dataset :

Residential |
schools for |
people with |
disabilitie |
    s (405) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,967       99.67       99.67
          1 |          9        0.09       99.76
          2 |          8        0.08       99.84
          3 |          2        0.02       99.86
          4 |          2        0.02       99.88
          5 |          5        0.05       99.93
          6 |          1        0.01       99.94
          7 |          1        0.01       99.95
          8 |          1        0.01       99.96
          9 |          1        0.01       99.97
         14 |          1        0.01       99.98
         16 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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