Frequencies for first 10,000 rows of pct012j087 variable in sf12010860us29 dataset :

   84 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,740       77.40       77.40
          1 |        932        9.32       86.72
          2 |        423        4.23       90.95
          3 |        265        2.65       93.60
          4 |        122        1.22       94.82
          5 |        102        1.02       95.84
          6 |         73        0.73       96.57
          7 |         57        0.57       97.14
          8 |         41        0.41       97.55
          9 |         33        0.33       97.88
         10 |         16        0.16       98.04
         11 |         24        0.24       98.28
         12 |         23        0.23       98.51
         13 |         16        0.16       98.67
         14 |         15        0.15       98.82
         15 |         14        0.14       98.96
         16 |          8        0.08       99.04
         17 |          8        0.08       99.12
         18 |          8        0.08       99.20
         19 |         12        0.12       99.32
         20 |          6        0.06       99.38
         21 |          1        0.01       99.39
         22 |          4        0.04       99.43
         23 |          4        0.04       99.47
         24 |          3        0.03       99.50
         25 |          8        0.08       99.58
         26 |          3        0.03       99.61
         27 |          2        0.02       99.63
         28 |          1        0.01       99.64
         29 |          2        0.02       99.66
         30 |          3        0.03       99.69
         31 |          3        0.03       99.72
         32 |          3        0.03       99.75
         33 |          3        0.03       99.78
         34 |          3        0.03       99.81
         35 |          3        0.03       99.84
         36 |          1        0.01       99.85
         37 |          2        0.02       99.87
         38 |          1        0.01       99.88
         39 |          1        0.01       99.89
         40 |          1        0.01       99.90
         41 |          1        0.01       99.91
         42 |          1        0.01       99.92
         43 |          1        0.01       99.93
         47 |          1        0.01       99.94
         49 |          1        0.01       99.95
         57 |          1        0.01       99.96
         64 |          1        0.01       99.97
         68 |          1        0.01       99.98
         72 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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