Frequencies for first 10,000 rows of PCT012B196 variable in sf12000860us17 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,808       78.08       78.08
          1 |        860        8.60       86.68
          2 |        400        4.00       90.68
          3 |        240        2.40       93.08
          4 |        146        1.46       94.54
          5 |         93        0.93       95.47
          6 |         80        0.80       96.27
          7 |         52        0.52       96.79
          8 |         43        0.43       97.22
          9 |         30        0.30       97.52
         10 |         35        0.35       97.87
         11 |         19        0.19       98.06
         12 |         21        0.21       98.27
         13 |         18        0.18       98.45
         14 |         20        0.20       98.65
         15 |         14        0.14       98.79
         16 |         14        0.14       98.93
         17 |          8        0.08       99.01
         18 |          7        0.07       99.08
         19 |          7        0.07       99.15
         20 |          9        0.09       99.24
         21 |          2        0.02       99.26
         22 |          3        0.03       99.29
         23 |          6        0.06       99.35
         24 |          6        0.06       99.41
         25 |          4        0.04       99.45
         26 |          5        0.05       99.50
         27 |          5        0.05       99.55
         28 |          3        0.03       99.58
         29 |          3        0.03       99.61
         30 |          3        0.03       99.64
         31 |          1        0.01       99.65
         32 |          5        0.05       99.70
         33 |          2        0.02       99.72
         34 |          2        0.02       99.74
         35 |          1        0.01       99.75
         36 |          4        0.04       99.79
         37 |          1        0.01       99.80
         38 |          4        0.04       99.84
         39 |          2        0.02       99.86
         40 |          2        0.02       99.88
         41 |          2        0.02       99.90
         42 |          1        0.01       99.91
         47 |          1        0.01       99.92
         51 |          1        0.01       99.93
         52 |          1        0.01       99.94
         55 |          2        0.02       99.96
         56 |          1        0.01       99.97
         58 |          1        0.01       99.98
         61 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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