Frequencies for first 10,000 rows of pct012l170 variable in sf12000860us27 dataset :

   63 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,981       79.81       79.81
          1 |        888        8.88       88.69
          2 |        349        3.49       92.18
          3 |        202        2.02       94.20
          4 |        136        1.36       95.56
          5 |         81        0.81       96.37
          6 |         62        0.62       96.99
          7 |         52        0.52       97.51
          8 |         33        0.33       97.84
          9 |         29        0.29       98.13
         10 |         21        0.21       98.34
         11 |         15        0.15       98.49
         12 |         16        0.16       98.65
         13 |         11        0.11       98.76
         14 |         21        0.21       98.97
         15 |         11        0.11       99.08
         16 |          7        0.07       99.15
         17 |          9        0.09       99.24
         18 |         10        0.10       99.34
         19 |          3        0.03       99.37
         20 |          6        0.06       99.43
         21 |          7        0.07       99.50
         23 |          2        0.02       99.52
         24 |          2        0.02       99.54
         25 |          3        0.03       99.57
         26 |          3        0.03       99.60
         27 |          4        0.04       99.64
         28 |          2        0.02       99.66
         29 |          2        0.02       99.68
         30 |          2        0.02       99.70
         32 |          2        0.02       99.72
         33 |          1        0.01       99.73
         35 |          3        0.03       99.76
         36 |          3        0.03       99.79
         38 |          2        0.02       99.81
         39 |          2        0.02       99.83
         41 |          1        0.01       99.84
         43 |          2        0.02       99.86
         50 |          1        0.01       99.87
         52 |          2        0.02       99.89
         54 |          2        0.02       99.91
         63 |          1        0.01       99.92
         64 |          1        0.01       99.93
         66 |          1        0.01       99.94
         83 |          1        0.01       99.95
         85 |          1        0.01       99.96
         88 |          1        0.01       99.97
        133 |          1        0.01       99.98
        140 |          1        0.01       99.99
        185 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017