Frequencies for first 10,000 rows of pct012j091 variable in sf12010880us29 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,899       88.99       88.99
          1 |        560        5.60       94.59
          2 |        189        1.89       96.48
          3 |        111        1.11       97.59
          4 |         55        0.55       98.14
          5 |         40        0.40       98.54
          6 |         26        0.26       98.80
          7 |         26        0.26       99.06
          8 |         20        0.20       99.26
          9 |          9        0.09       99.35
         10 |          7        0.07       99.42
         11 |         10        0.10       99.52
         12 |          4        0.04       99.56
         13 |          6        0.06       99.62
         14 |          7        0.07       99.69
         15 |          2        0.02       99.71
         16 |          4        0.04       99.75
         17 |          1        0.01       99.76
         18 |          3        0.03       99.79
         19 |          3        0.03       99.82
         20 |          2        0.02       99.84
         21 |          1        0.01       99.85
         22 |          2        0.02       99.87
         25 |          1        0.01       99.88
         26 |          2        0.02       99.90
         27 |          1        0.01       99.91
         28 |          2        0.02       99.93
         30 |          1        0.01       99.94
         32 |          1        0.01       99.95
         34 |          1        0.01       99.96
         36 |          1        0.01       99.97
         39 |          1        0.01       99.98
         42 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017