Frequencies for first 10,000 rows of pct012g030 variable in sf12010860us26 dataset :

   27 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,402       64.02       64.02
          1 |      1,280       12.80       76.82
          2 |        583        5.83       82.65
          3 |        374        3.74       86.39
          4 |        264        2.64       89.03
          5 |        194        1.94       90.97
          6 |        150        1.50       92.47
          7 |        116        1.16       93.63
          8 |         91        0.91       94.54
          9 |         82        0.82       95.36
         10 |         61        0.61       95.97
         11 |         50        0.50       96.47
         12 |         50        0.50       96.97
         13 |         34        0.34       97.31
         14 |         37        0.37       97.68
         15 |         30        0.30       97.98
         16 |         21        0.21       98.19
         17 |         28        0.28       98.47
         18 |         18        0.18       98.65
         19 |         16        0.16       98.81
         20 |         17        0.17       98.98
         21 |         10        0.10       99.08
         22 |         10        0.10       99.18
         23 |          8        0.08       99.26
         24 |          5        0.05       99.31
         25 |          7        0.07       99.38
         26 |          7        0.07       99.45
         27 |          5        0.05       99.50
         28 |          6        0.06       99.56
         29 |          3        0.03       99.59
         30 |          8        0.08       99.67
         31 |          4        0.04       99.71
         32 |          4        0.04       99.75
         33 |          3        0.03       99.78
         34 |          2        0.02       99.80
         35 |          3        0.03       99.83
         37 |          1        0.01       99.84
         38 |          3        0.03       99.87
         39 |          1        0.01       99.88
         41 |          1        0.01       99.89
         42 |          2        0.02       99.91
         43 |          1        0.01       99.92
         45 |          1        0.01       99.93
         48 |          1        0.01       99.94
         49 |          1        0.01       99.95
         51 |          1        0.01       99.96
         55 |          1        0.01       99.97
         56 |          1        0.01       99.98
         59 |          1        0.01       99.99
         95 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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