Frequencies for first 10,000 rows of pct013e005 variable in sf12000860us31 dataset :

   10 to 14 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,089       90.89       90.89
          1 |        630        6.30       97.19
          2 |        163        1.63       98.82
          3 |         67        0.67       99.49
          4 |         26        0.26       99.75
          5 |         14        0.14       99.89
          6 |          2        0.02       99.91
          7 |          3        0.03       99.94
          8 |          3        0.03       99.97
         11 |          2        0.02       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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