Frequencies for first 10,000 rows of pct013c038 variable in sf12000860us31 dataset :

   40 to 44 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,137       61.37       61.37
          1 |      1,679       16.79       78.16
          2 |        778        7.78       85.94
          3 |        429        4.29       90.23
          4 |        252        2.52       92.75
          5 |        172        1.72       94.47
          6 |        138        1.38       95.85
          7 |         99        0.99       96.84
          8 |         63        0.63       97.47
          9 |         39        0.39       97.86
         10 |         36        0.36       98.22
         11 |         24        0.24       98.46
         12 |         23        0.23       98.69
         13 |         13        0.13       98.82
         14 |         17        0.17       98.99
         15 |         16        0.16       99.15
         16 |          9        0.09       99.24
         17 |          8        0.08       99.32
         18 |         12        0.12       99.44
         19 |          2        0.02       99.46
         20 |          5        0.05       99.51
         21 |          1        0.01       99.52
         22 |          5        0.05       99.57
         23 |          6        0.06       99.63
         24 |          1        0.01       99.64
         25 |          4        0.04       99.68
         26 |          2        0.02       99.70
         27 |          2        0.02       99.72
         28 |          2        0.02       99.74
         29 |          3        0.03       99.77
         31 |          2        0.02       99.79
         32 |          1        0.01       99.80
         33 |          1        0.01       99.81
         35 |          1        0.01       99.82
         36 |          2        0.02       99.84
         40 |          1        0.01       99.85
         41 |          1        0.01       99.86
         47 |          1        0.01       99.87
         52 |          1        0.01       99.88
         61 |          1        0.01       99.89
         71 |          1        0.01       99.90
        111 |          1        0.01       99.91
        118 |          1        0.01       99.92
        133 |          1        0.01       99.93
        163 |          1        0.01       99.94
        169 |          1        0.01       99.95
        205 |          1        0.01       99.96
        236 |          1        0.01       99.97
        305 |          1        0.01       99.98
        308 |          1        0.01       99.99
        366 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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