Frequencies for first 10,000 rows of pct013e021 variable in sf12000860us31 dataset :

   67 to 69 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,830       98.30       98.30
          1 |        154        1.54       99.84
          2 |         14        0.14       99.98
          3 |          1        0.01       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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