Frequencies for first 10,000 rows of pct017f035 variable in sf12000860us35 dataset :

Noninstitut |
  ionalized |
population: |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,836       98.36       98.36
          1 |        104        1.04       99.40
          2 |         26        0.26       99.66
          3 |         13        0.13       99.79
          4 |          6        0.06       99.85
          6 |          3        0.03       99.88
          7 |          3        0.03       99.91
          8 |          2        0.02       99.93
          9 |          1        0.01       99.94
         10 |          3        0.03       99.97
         16 |          1        0.01       99.98
         17 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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