Frequencies for first 10,000 rows of pct012e117 variable in sf12000860us20 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,730       97.30       97.30
          1 |        237        2.37       99.67
          2 |         29        0.29       99.96
          3 |          3        0.03       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017