Frequencies for first 10,000 rows of pct012j197 variable in sf12000860us25 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,123       81.23       81.23
          1 |        773        7.73       88.96
          2 |        347        3.47       92.43
          3 |        208        2.08       94.51
          4 |        127        1.27       95.78
          5 |         91        0.91       96.69
          6 |         59        0.59       97.28
          7 |         44        0.44       97.72
          8 |         38        0.38       98.10
          9 |         37        0.37       98.47
         10 |         16        0.16       98.63
         11 |         12        0.12       98.75
         12 |         16        0.16       98.91
         13 |         14        0.14       99.05
         14 |          9        0.09       99.14
         15 |         11        0.11       99.25
         16 |          7        0.07       99.32
         17 |          4        0.04       99.36
         18 |          9        0.09       99.45
         19 |          3        0.03       99.48
         20 |          4        0.04       99.52
         21 |          5        0.05       99.57
         22 |          6        0.06       99.63
         23 |          2        0.02       99.65
         24 |          6        0.06       99.71
         25 |          3        0.03       99.74
         26 |          2        0.02       99.76
         27 |          2        0.02       99.78
         28 |          2        0.02       99.80
         29 |          1        0.01       99.81
         30 |          1        0.01       99.82
         31 |          1        0.01       99.83
         32 |          2        0.02       99.85
         33 |          1        0.01       99.86
         34 |          2        0.02       99.88
         36 |          1        0.01       99.89
         37 |          1        0.01       99.90
         38 |          1        0.01       99.91
         39 |          2        0.02       99.93
         40 |          2        0.02       99.95
         44 |          2        0.02       99.97
         52 |          1        0.01       99.98
         54 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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