Frequencies for first 10,000 rows of pct012e124 variable in sf12010860us24 dataset :

   17 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,731       97.31       97.31
          1 |        245        2.45       99.76
          2 |         19        0.19       99.95
          3 |          4        0.04       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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