Frequencies for first 10,000 rows of p034g022 variable in sf12010860us12 dataset :

Noninstitut |
  ionalized |
 population |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,716       97.16       97.16
          1 |        214        2.14       99.30
          2 |         44        0.44       99.74
          3 |         12        0.12       99.86
          4 |          5        0.05       99.91
          5 |          4        0.04       99.95
          6 |          3        0.03       99.98
          8 |          1        0.01       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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