Frequencies for first 10,000 rows of p012e015 variable in sf12010860us7 dataset :

   45 to 49 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,991       89.91       89.91
          1 |        731        7.31       97.22
          2 |        188        1.88       99.10
          3 |         60        0.60       99.70
          4 |         16        0.16       99.86
          5 |         12        0.12       99.98
          7 |          1        0.01       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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