Frequencies for first 10,000 rows of pct012g015 variable in sf12000860us22 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,052       60.52       60.52
          1 |      1,480       14.80       75.32
          2 |        684        6.84       82.16
          3 |        393        3.93       86.09
          4 |        289        2.89       88.98
          5 |        196        1.96       90.94
          6 |        153        1.53       92.47
          7 |        120        1.20       93.67
          8 |        102        1.02       94.69
          9 |         88        0.88       95.57
         10 |         60        0.60       96.17
         11 |         54        0.54       96.71
         12 |         44        0.44       97.15
         13 |         34        0.34       97.49
         14 |         23        0.23       97.72
         15 |         18        0.18       97.90
         16 |         23        0.23       98.13
         17 |         19        0.19       98.32
         18 |         18        0.18       98.50
         19 |         16        0.16       98.66
         20 |          8        0.08       98.74
         21 |         13        0.13       98.87
         22 |         11        0.11       98.98
         23 |         10        0.10       99.08
         24 |          7        0.07       99.15
         25 |          6        0.06       99.21
         26 |          3        0.03       99.24
         27 |          6        0.06       99.30
         28 |          4        0.04       99.34
         29 |          3        0.03       99.37
         30 |          8        0.08       99.45
         31 |          6        0.06       99.51
         32 |          6        0.06       99.57
         33 |          4        0.04       99.61
         34 |          3        0.03       99.64
         35 |          5        0.05       99.69
         36 |          2        0.02       99.71
         37 |          3        0.03       99.74
         38 |          3        0.03       99.77
         39 |          1        0.01       99.78
         41 |          2        0.02       99.80
         42 |          2        0.02       99.82
         43 |          2        0.02       99.84
         44 |          2        0.02       99.86
         45 |          1        0.01       99.87
         48 |          1        0.01       99.88
         49 |          1        0.01       99.89
         50 |          1        0.01       99.90
         53 |          3        0.03       99.93
         54 |          3        0.03       99.96
         58 |          2        0.02       99.98
         61 |          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