Frequencies for first 10,000 rows of pct012m153 variable in sf12010860us32 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,783       97.83       97.83
          1 |        201        2.01       99.84
          2 |         15        0.15       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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