Frequencies for first 10,000 rows of pct013e018 variable in sf12010880us35 dataset :

  60 and 61 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,809       98.09       98.09
          1 |        176        1.76       99.85
          2 |         14        0.14       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017