Frequencies for first 10,000 rows of pct012g159 variable in sf12010860us26 dataset :

   52 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,672       66.72       66.72
          1 |      1,448       14.48       81.20
          2 |        651        6.51       87.71
          3 |        337        3.37       91.08
          4 |        237        2.37       93.45
          5 |        165        1.65       95.10
          6 |         92        0.92       96.02
          7 |         77        0.77       96.79
          8 |         68        0.68       97.47
          9 |         47        0.47       97.94
         10 |         39        0.39       98.33
         11 |         25        0.25       98.58
         12 |         18        0.18       98.76
         13 |         14        0.14       98.90
         14 |         10        0.10       99.00
         15 |         14        0.14       99.14
         16 |          4        0.04       99.18
         17 |          9        0.09       99.27
         18 |         15        0.15       99.42
         19 |          6        0.06       99.48
         20 |          4        0.04       99.52
         21 |          8        0.08       99.60
         22 |          5        0.05       99.65
         23 |          3        0.03       99.68
         24 |          3        0.03       99.71
         25 |          5        0.05       99.76
         26 |          2        0.02       99.78
         27 |          2        0.02       99.80
         28 |          3        0.03       99.83
         29 |          4        0.04       99.87
         30 |          1        0.01       99.88
         32 |          1        0.01       99.89
         33 |          2        0.02       99.91
         34 |          2        0.02       99.93
         35 |          1        0.01       99.94
         38 |          1        0.01       99.95
         40 |          1        0.01       99.96
         41 |          1        0.01       99.97
         44 |          1        0.01       99.98
         46 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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