Frequencies for first 10,000 rows of pct012g148 variable in sf12010860us26 dataset :

   41 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,441       64.41       64.41
          1 |      1,415       14.15       78.56
          2 |        619        6.19       84.75
          3 |        380        3.80       88.55
          4 |        263        2.63       91.18
          5 |        194        1.94       93.12
          6 |        130        1.30       94.42
          7 |        113        1.13       95.55
          8 |         88        0.88       96.43
          9 |         62        0.62       97.05
         10 |         54        0.54       97.59
         11 |         33        0.33       97.92
         12 |         31        0.31       98.23
         13 |         27        0.27       98.50
         14 |         26        0.26       98.76
         15 |         15        0.15       98.91
         16 |          8        0.08       98.99
         17 |         13        0.13       99.12
         18 |         10        0.10       99.22
         19 |         10        0.10       99.32
         20 |          9        0.09       99.41
         21 |         10        0.10       99.51
         22 |          9        0.09       99.60
         23 |          5        0.05       99.65
         24 |          4        0.04       99.69
         25 |          2        0.02       99.71
         26 |          2        0.02       99.73
         27 |          3        0.03       99.76
         28 |          3        0.03       99.79
         29 |          4        0.04       99.83
         30 |          3        0.03       99.86
         31 |          3        0.03       99.89
         32 |          3        0.03       99.92
         35 |          2        0.02       99.94
         37 |          1        0.01       99.95
         39 |          1        0.01       99.96
         42 |          2        0.02       99.98
         44 |          1        0.01       99.99
         46 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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