Frequencies for first 10,000 rows of PCT012B090 variable in sf12000860us17 dataset :

   87 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,361       83.61       83.61
          1 |        804        8.04       91.65
          2 |        334        3.34       94.99
          3 |        162        1.62       96.61
          4 |        103        1.03       97.64
          5 |         52        0.52       98.16
          6 |         43        0.43       98.59
          7 |         24        0.24       98.83
          8 |         17        0.17       99.00
          9 |         18        0.18       99.18
         10 |         19        0.19       99.37
         11 |         11        0.11       99.48
         12 |          8        0.08       99.56
         13 |         10        0.10       99.66
         14 |          7        0.07       99.73
         15 |          2        0.02       99.75
         16 |          2        0.02       99.77
         17 |          5        0.05       99.82
         18 |          1        0.01       99.83
         19 |          1        0.01       99.84
         20 |          2        0.02       99.86
         21 |          2        0.02       99.88
         22 |          1        0.01       99.89
         23 |          1        0.01       99.90
         24 |          1        0.01       99.91
         25 |          2        0.02       99.93
         27 |          1        0.01       99.94
         28 |          1        0.01       99.95
         30 |          1        0.01       99.96
         32 |          1        0.01       99.97
         35 |          2        0.02       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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