Frequencies for first 10,000 rows of pct012d195 variable in sf12000860us19 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,549       95.49       95.49
          1 |        328        3.28       98.77
          2 |         69        0.69       99.46
          3 |         17        0.17       99.63
          4 |         11        0.11       99.74
          5 |          5        0.05       99.79
          6 |          7        0.07       99.86
          7 |          1        0.01       99.87
          8 |          3        0.03       99.90
          9 |          2        0.02       99.92
         10 |          1        0.01       99.93
         11 |          2        0.02       99.95
         12 |          1        0.01       99.96
         19 |          2        0.02       99.98
         25 |          1        0.01       99.99
         35 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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