Frequencies for first 10,000 rows of pct013e011 variable in sf12000860us31 dataset :

   25 to 29 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,900       89.00       89.00
          1 |        695        6.95       95.95
          2 |        221        2.21       98.16
          3 |         87        0.87       99.03
          4 |         48        0.48       99.51
          5 |         22        0.22       99.73
          6 |          9        0.09       99.82
          7 |          8        0.08       99.90
          8 |          2        0.02       99.92
          9 |          3        0.03       99.95
         10 |          1        0.01       99.96
         13 |          2        0.02       99.98
         14 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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