Frequencies for first 10,000 rows of pct012g140 variable in sf12010860us26 dataset :

   33 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,461       64.61       64.61
          1 |      1,266       12.66       77.27
          2 |        598        5.98       83.25
          3 |        346        3.46       86.71
          4 |        241        2.41       89.12
          5 |        200        2.00       91.12
          6 |        148        1.48       92.60
          7 |        119        1.19       93.79
          8 |         98        0.98       94.77
          9 |         59        0.59       95.36
         10 |         79        0.79       96.15
         11 |         65        0.65       96.80
         12 |         44        0.44       97.24
         13 |         51        0.51       97.75
         14 |         28        0.28       98.03
         15 |         26        0.26       98.29
         16 |         16        0.16       98.45
         17 |         22        0.22       98.67
         18 |         18        0.18       98.85
         19 |         13        0.13       98.98
         20 |         13        0.13       99.11
         21 |          8        0.08       99.19
         22 |         10        0.10       99.29
         23 |          5        0.05       99.34
         24 |         11        0.11       99.45
         25 |         10        0.10       99.55
         26 |          5        0.05       99.60
         27 |          3        0.03       99.63
         28 |          3        0.03       99.66
         29 |          7        0.07       99.73
         30 |          5        0.05       99.78
         31 |          4        0.04       99.82
         32 |          2        0.02       99.84
         33 |          4        0.04       99.88
         34 |          1        0.01       99.89
         35 |          3        0.03       99.92
         36 |          1        0.01       99.93
         39 |          1        0.01       99.94
         40 |          1        0.01       99.95
         41 |          1        0.01       99.96
         42 |          1        0.01       99.97
         54 |          1        0.01       99.98
         55 |          1        0.01       99.99
         64 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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