Frequencies for first 10,000 rows of pct013e033 variable in sf12010860us35 dataset :

   21 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,682       96.82       96.82
          1 |        257        2.57       99.39
          2 |         45        0.45       99.84
          3 |         15        0.15       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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