Frequencies for first 10,000 rows of p030e021 variable in sf12000860us9 dataset :

Noninstitut |
  ionalized |
 population |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,986       99.86       99.86
          1 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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