Frequencies for first 10,000 rows of pct013e038 variable in sf12000860us31 dataset :

   40 to 44 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,974       89.74       89.74
          1 |        777        7.77       97.51
          2 |        180        1.80       99.31
          3 |         38        0.38       99.69
          4 |         18        0.18       99.87
          5 |          5        0.05       99.92
          6 |          3        0.03       99.95
          7 |          2        0.02       99.97
          8 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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