Frequencies for first 10,000 rows of pct012g050 variable in sf12000860us22 dataset :

   47 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,090       70.90       70.90
          1 |      1,399       13.99       84.89
          2 |        523        5.23       90.12
          3 |        257        2.57       92.69
          4 |        187        1.87       94.56
          5 |        109        1.09       95.65
          6 |         62        0.62       96.27
          7 |         67        0.67       96.94
          8 |         44        0.44       97.38
          9 |         48        0.48       97.86
         10 |         25        0.25       98.11
         11 |         22        0.22       98.33
         12 |         18        0.18       98.51
         13 |         18        0.18       98.69
         14 |         12        0.12       98.81
         15 |         14        0.14       98.95
         16 |          9        0.09       99.04
         17 |         11        0.11       99.15
         18 |          7        0.07       99.22
         19 |         13        0.13       99.35
         20 |          7        0.07       99.42
         21 |          5        0.05       99.47
         22 |          5        0.05       99.52
         23 |          7        0.07       99.59
         24 |          3        0.03       99.62
         26 |          5        0.05       99.67
         27 |          4        0.04       99.71
         28 |          4        0.04       99.75
         29 |          3        0.03       99.78
         30 |          4        0.04       99.82
         31 |          1        0.01       99.83
         32 |          1        0.01       99.84
         33 |          1        0.01       99.85
         34 |          4        0.04       99.89
         35 |          3        0.03       99.92
         36 |          1        0.01       99.93
         37 |          1        0.01       99.94
         41 |          1        0.01       99.95
         43 |          1        0.01       99.96
         45 |          1        0.01       99.97
         46 |          1        0.01       99.98
         54 |          1        0.01       99.99
         78 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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