Frequencies for first 10,000 rows of pct013g032 variable in sf12010860us36 dataset :

   20 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,144       61.44       61.44
          1 |      1,369       13.69       75.13
          2 |        622        6.22       81.35
          3 |        359        3.59       84.94
          4 |        269        2.69       87.63
          5 |        231        2.31       89.94
          6 |        152        1.52       91.46
          7 |        140        1.40       92.86
          8 |        114        1.14       94.00
          9 |         99        0.99       94.99
         10 |         80        0.80       95.79
         11 |         59        0.59       96.38
         12 |         58        0.58       96.96
         13 |         29        0.29       97.25
         14 |         32        0.32       97.57
         15 |         22        0.22       97.79
         16 |         27        0.27       98.06
         17 |         23        0.23       98.29
         18 |         22        0.22       98.51
         19 |         22        0.22       98.73
         20 |         12        0.12       98.85
         21 |          8        0.08       98.93
         22 |         13        0.13       99.06
         23 |          9        0.09       99.15
         24 |         10        0.10       99.25
         25 |         10        0.10       99.35
         26 |          5        0.05       99.40
         27 |          8        0.08       99.48
         28 |          5        0.05       99.53
         29 |          3        0.03       99.56
         30 |          4        0.04       99.60
         31 |          3        0.03       99.63
         32 |          3        0.03       99.66
         33 |          4        0.04       99.70
         34 |          5        0.05       99.75
         35 |          1        0.01       99.76
         36 |          2        0.02       99.78
         37 |          2        0.02       99.80
         38 |          2        0.02       99.82
         39 |          2        0.02       99.84
         40 |          6        0.06       99.90
         41 |          1        0.01       99.91
         42 |          1        0.01       99.92
         43 |          3        0.03       99.95
         46 |          1        0.01       99.96
         47 |          1        0.01       99.97
         48 |          1        0.01       99.98
         50 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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