Frequencies for first 10,000 rows of pct013c047 variable in sf12010860us35 dataset :

   75 to 79 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,437       84.37       84.37
          1 |      1,026       10.26       94.63
          2 |        271        2.71       97.34
          3 |        119        1.19       98.53
          4 |         51        0.51       99.04
          5 |         27        0.27       99.31
          6 |         19        0.19       99.50
          7 |         10        0.10       99.60
          8 |          6        0.06       99.66
          9 |          5        0.05       99.71
         10 |          6        0.06       99.77
         11 |          6        0.06       99.83
         12 |          2        0.02       99.85
         13 |          2        0.02       99.87
         15 |          2        0.02       99.89
         16 |          1        0.01       99.90
         26 |          1        0.01       99.91
         36 |          1        0.01       99.92
         39 |          1        0.01       99.93
         42 |          1        0.01       99.94
         49 |          1        0.01       99.95
         58 |          1        0.01       99.96
         62 |          1        0.01       99.97
         65 |          1        0.01       99.98
         74 |          1        0.01       99.99
        145 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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