Frequencies for first 10,000 rows of pct013c022 variable in sf12010860us35 dataset :

   70 to 74 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,119       81.19       81.19
          1 |      1,191       11.91       93.10
          2 |        353        3.53       96.63
          3 |        133        1.33       97.96
          4 |         76        0.76       98.72
          5 |         36        0.36       99.08
          6 |         32        0.32       99.40
          7 |          8        0.08       99.48
          8 |         17        0.17       99.65
          9 |          6        0.06       99.71
         10 |          5        0.05       99.76
         11 |          4        0.04       99.80
         12 |          2        0.02       99.82
         13 |          3        0.03       99.85
         14 |          2        0.02       99.87
         18 |          1        0.01       99.88
         21 |          1        0.01       99.89
         25 |          1        0.01       99.90
         33 |          1        0.01       99.91
         35 |          1        0.01       99.92
         37 |          1        0.01       99.93
         41 |          1        0.01       99.94
         45 |          1        0.01       99.95
         60 |          2        0.02       99.97
         98 |          1        0.01       99.98
        103 |          1        0.01       99.99
        135 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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