Frequencies for first 10,000 rows of pct012o048 variable in sf12010860us34 dataset :

   45 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,983       69.83       69.83
          1 |      1,492       14.92       84.75
          2 |        630        6.30       91.05
          3 |        354        3.54       94.59
          4 |        195        1.95       96.54
          5 |        110        1.10       97.64
          6 |         77        0.77       98.41
          7 |         51        0.51       98.92
          8 |         40        0.40       99.32
          9 |         26        0.26       99.58
         10 |         15        0.15       99.73
         11 |          1        0.01       99.74
         12 |          5        0.05       99.79
         13 |          1        0.01       99.80
         14 |          7        0.07       99.87
         15 |          2        0.02       99.89
         16 |          1        0.01       99.90
         17 |          2        0.02       99.92
         18 |          1        0.01       99.93
         21 |          1        0.01       99.94
         22 |          1        0.01       99.95
         23 |          1        0.01       99.96
         24 |          1        0.01       99.97
         26 |          1        0.01       99.98
         36 |          1        0.01       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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