Frequencies for first 10,000 rows of pct012g018 variable in sf12000860us22 dataset :

   15 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,266       62.66       62.66
          1 |      1,414       14.14       76.80
          2 |        650        6.50       83.30
          3 |        382        3.82       87.12
          4 |        259        2.59       89.71
          5 |        216        2.16       91.87
          6 |        142        1.42       93.29
          7 |        112        1.12       94.41
          8 |         94        0.94       95.35
          9 |         67        0.67       96.02
         10 |         44        0.44       96.46
         11 |         49        0.49       96.95
         12 |         36        0.36       97.31
         13 |         35        0.35       97.66
         14 |         28        0.28       97.94
         15 |         24        0.24       98.18
         16 |         19        0.19       98.37
         17 |         14        0.14       98.51
         18 |         17        0.17       98.68
         19 |         12        0.12       98.80
         20 |         13        0.13       98.93
         21 |         13        0.13       99.06
         22 |          7        0.07       99.13
         23 |          9        0.09       99.22
         24 |          9        0.09       99.31
         25 |          4        0.04       99.35
         26 |          5        0.05       99.40
         27 |          4        0.04       99.44
         28 |          3        0.03       99.47
         29 |          2        0.02       99.49
         30 |          6        0.06       99.55
         31 |          5        0.05       99.60
         32 |          5        0.05       99.65
         33 |          3        0.03       99.68
         34 |          5        0.05       99.73
         35 |          4        0.04       99.77
         36 |          3        0.03       99.80
         37 |          2        0.02       99.82
         38 |          1        0.01       99.83
         39 |          2        0.02       99.85
         40 |          1        0.01       99.86
         41 |          1        0.01       99.87
         42 |          1        0.01       99.88
         43 |          1        0.01       99.89
         44 |          1        0.01       99.90
         45 |          2        0.02       99.92
         46 |          1        0.01       99.93
         47 |          1        0.01       99.94
         48 |          1        0.01       99.95
         50 |          2        0.02       99.97
         52 |          1        0.01       99.98
         58 |          1        0.01       99.99
         86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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