Frequencies for first 10,000 rows of pct012g132 variable in sf12000860us22 dataset :

   25 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,974       69.74       69.74
          1 |      1,152       11.52       81.26
          2 |        466        4.66       85.92
          3 |        297        2.97       88.89
          4 |        206        2.06       90.95
          5 |        134        1.34       92.29
          6 |        122        1.22       93.51
          7 |         89        0.89       94.40
          8 |         75        0.75       95.15
          9 |         58        0.58       95.73
         10 |         50        0.50       96.23
         11 |         38        0.38       96.61
         12 |         35        0.35       96.96
         13 |         32        0.32       97.28
         14 |         30        0.30       97.58
         15 |         26        0.26       97.84
         16 |         12        0.12       97.96
         17 |         14        0.14       98.10
         18 |         22        0.22       98.32
         19 |         12        0.12       98.44
         20 |         17        0.17       98.61
         21 |          7        0.07       98.68
         22 |         12        0.12       98.80
         23 |         12        0.12       98.92
         24 |          6        0.06       98.98
         25 |          8        0.08       99.06
         26 |         11        0.11       99.17
         27 |          6        0.06       99.23
         28 |          6        0.06       99.29
         29 |          3        0.03       99.32
         30 |          3        0.03       99.35
         31 |          3        0.03       99.38
         32 |          7        0.07       99.45
         33 |          6        0.06       99.51
         34 |          7        0.07       99.58
         35 |          3        0.03       99.61
         36 |          3        0.03       99.64
         37 |          1        0.01       99.65
         38 |          3        0.03       99.68
         39 |          5        0.05       99.73
         40 |          2        0.02       99.75
         42 |          4        0.04       99.79
         43 |          3        0.03       99.82
         44 |          2        0.02       99.84
         46 |          1        0.01       99.85
         49 |          3        0.03       99.88
         50 |          2        0.02       99.90
         51 |          2        0.02       99.92
         53 |          1        0.01       99.93
         55 |          1        0.01       99.94
         58 |          1        0.01       99.95
         59 |          1        0.01       99.96
         60 |          1        0.01       99.97
         61 |          1        0.01       99.98
         62 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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