Frequencies for first 10,000 rows of pct012l190 variable in sf12010860us31 dataset :

   83 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,690       86.90       86.90
          1 |        718        7.18       94.08
          2 |        243        2.43       96.51
          3 |        139        1.39       97.90
          4 |         64        0.64       98.54
          5 |         36        0.36       98.90
          6 |         24        0.24       99.14
          7 |         14        0.14       99.28
          8 |          9        0.09       99.37
          9 |         16        0.16       99.53
         10 |          8        0.08       99.61
         11 |          3        0.03       99.64
         12 |          4        0.04       99.68
         13 |          6        0.06       99.74
         14 |          3        0.03       99.77
         15 |          1        0.01       99.78
         16 |          2        0.02       99.80
         17 |          1        0.01       99.81
         19 |          1        0.01       99.82
         21 |          3        0.03       99.85
         22 |          1        0.01       99.86
         24 |          1        0.01       99.87
         25 |          2        0.02       99.89
         28 |          1        0.01       99.90
         30 |          1        0.01       99.91
         33 |          1        0.01       99.92
         34 |          1        0.01       99.93
         36 |          1        0.01       99.94
         37 |          1        0.01       99.95
         52 |          1        0.01       99.96
         55 |          1        0.01       99.97
         64 |          1        0.01       99.98
         97 |          1        0.01       99.99
        124 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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