Frequencies for first 10,000 rows of pct012g027 variable in sf12010880us26 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,924       69.24       69.24
          1 |      1,145       11.45       80.69
          2 |        481        4.81       85.50
          3 |        302        3.02       88.52
          4 |        208        2.08       90.60
          5 |        163        1.63       92.23
          6 |        110        1.10       93.33
          7 |        105        1.05       94.38
          8 |         91        0.91       95.29
          9 |         70        0.70       95.99
         10 |         52        0.52       96.51
         11 |         40        0.40       96.91
         12 |         46        0.46       97.37
         13 |         27        0.27       97.64
         14 |         32        0.32       97.96
         15 |         32        0.32       98.28
         16 |         13        0.13       98.41
         17 |         12        0.12       98.53
         18 |         22        0.22       98.75
         19 |          9        0.09       98.84
         20 |          9        0.09       98.93
         21 |         11        0.11       99.04
         22 |          9        0.09       99.13
         23 |          8        0.08       99.21
         24 |         12        0.12       99.33
         25 |          5        0.05       99.38
         26 |          6        0.06       99.44
         27 |          6        0.06       99.50
         28 |          5        0.05       99.55
         29 |          5        0.05       99.60
         30 |          3        0.03       99.63
         31 |          4        0.04       99.67
         32 |          3        0.03       99.70
         33 |          2        0.02       99.72
         34 |          4        0.04       99.76
         36 |          2        0.02       99.78
         37 |          4        0.04       99.82
         39 |          4        0.04       99.86
         40 |          2        0.02       99.88
         41 |          1        0.01       99.89
         42 |          1        0.01       99.90
         44 |          1        0.01       99.91
         45 |          1        0.01       99.92
         47 |          2        0.02       99.94
         48 |          1        0.01       99.95
         51 |          1        0.01       99.96
         52 |          1        0.01       99.97
         53 |          2        0.02       99.99
         81 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017