Frequencies for first 10,000 rows of pct012f191 variable in sf12000860us21 dataset :

   84 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,505       95.05       95.05
          1 |        283        2.83       97.88
          2 |         85        0.85       98.73
          3 |         41        0.41       99.14
          4 |         24        0.24       99.38
          5 |         15        0.15       99.53
          6 |         14        0.14       99.67
          7 |          9        0.09       99.76
          8 |          3        0.03       99.79
          9 |          6        0.06       99.85
         10 |          2        0.02       99.87
         11 |          3        0.03       99.90
         12 |          5        0.05       99.95
         13 |          1        0.01       99.96
         14 |          2        0.02       99.98
         17 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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