Frequencies for first 10,000 rows of pct012g145 variable in sf12010860us26 dataset :

   38 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,406       64.06       64.06
          1 |      1,328       13.28       77.34
          2 |        646        6.46       83.80
          3 |        374        3.74       87.54
          4 |        265        2.65       90.19
          5 |        210        2.10       92.29
          6 |        156        1.56       93.85
          7 |        110        1.10       94.95
          8 |         89        0.89       95.84
          9 |         66        0.66       96.50
         10 |         66        0.66       97.16
         11 |         39        0.39       97.55
         12 |         42        0.42       97.97
         13 |         25        0.25       98.22
         14 |         32        0.32       98.54
         15 |         10        0.10       98.64
         16 |         23        0.23       98.87
         17 |         13        0.13       99.00
         18 |         12        0.12       99.12
         19 |          9        0.09       99.21
         20 |         12        0.12       99.33
         21 |          8        0.08       99.41
         22 |         14        0.14       99.55
         23 |          6        0.06       99.61
         24 |          6        0.06       99.67
         25 |          1        0.01       99.68
         26 |          2        0.02       99.70
         27 |          4        0.04       99.74
         28 |          6        0.06       99.80
         29 |          2        0.02       99.82
         30 |          1        0.01       99.83
         31 |          2        0.02       99.85
         32 |          1        0.01       99.86
         35 |          3        0.03       99.89
         36 |          1        0.01       99.90
         37 |          1        0.01       99.91
         38 |          1        0.01       99.92
         39 |          1        0.01       99.93
         40 |          3        0.03       99.96
         41 |          2        0.02       99.98
         45 |          1        0.01       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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