Frequencies for first 10,000 rows of pct012o148 variable in sf12010860us34 dataset :

   41 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,898       68.98       68.98
          1 |      1,444       14.44       83.42
          2 |        594        5.94       89.36
          3 |        360        3.60       92.96
          4 |        220        2.20       95.16
          5 |        170        1.70       96.86
          6 |        100        1.00       97.86
          7 |         61        0.61       98.47
          8 |         45        0.45       98.92
          9 |         32        0.32       99.24
         10 |         24        0.24       99.48
         11 |         19        0.19       99.67
         12 |         14        0.14       99.81
         13 |          1        0.01       99.82
         14 |          3        0.03       99.85
         15 |          2        0.02       99.87
         16 |          3        0.03       99.90
         17 |          4        0.04       99.94
         18 |          1        0.01       99.95
         25 |          1        0.01       99.96
         26 |          2        0.02       99.98
         28 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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