Frequencies for first 10,000 rows of p034f022 variable in sf12010860us12 dataset :

Noninstitut |
  ionalized |
 population |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,736       97.36       97.36
          1 |        159        1.59       98.95
          2 |         43        0.43       99.38
          3 |         15        0.15       99.53
          4 |         14        0.14       99.67
          5 |          8        0.08       99.75
          6 |          2        0.02       99.77
          7 |          6        0.06       99.83
          8 |          4        0.04       99.87
          9 |          2        0.02       99.89
         10 |          3        0.03       99.92
         11 |          3        0.03       99.95
         12 |          1        0.01       99.96
         16 |          2        0.02       99.98
         17 |          1        0.01       99.99
         33 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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