Frequencies for first 10,000 rows of pct012l068 variable in sf12000860us27 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,132       81.32       81.32
          1 |        844        8.44       89.76
          2 |        315        3.15       92.91
          3 |        204        2.04       94.95
          4 |        116        1.16       96.11
          5 |         77        0.77       96.88
          6 |         55        0.55       97.43
          7 |         51        0.51       97.94
          8 |         36        0.36       98.30
          9 |         25        0.25       98.55
         10 |         16        0.16       98.71
         11 |         17        0.17       98.88
         12 |         12        0.12       99.00
         13 |          8        0.08       99.08
         14 |         10        0.10       99.18
         15 |          9        0.09       99.27
         16 |          7        0.07       99.34
         17 |          4        0.04       99.38
         18 |          5        0.05       99.43
         19 |          5        0.05       99.48
         20 |          9        0.09       99.57
         21 |          3        0.03       99.60
         22 |          1        0.01       99.61
         23 |          1        0.01       99.62
         24 |          3        0.03       99.65
         25 |          3        0.03       99.68
         27 |          1        0.01       99.69
         28 |          3        0.03       99.72
         31 |          1        0.01       99.73
         32 |          2        0.02       99.75
         33 |          4        0.04       99.79
         35 |          1        0.01       99.80
         36 |          4        0.04       99.84
         37 |          1        0.01       99.85
         38 |          1        0.01       99.86
         44 |          1        0.01       99.87
         46 |          1        0.01       99.88
         49 |          1        0.01       99.89
         51 |          1        0.01       99.90
         52 |          1        0.01       99.91
         61 |          1        0.01       99.92
         62 |          1        0.01       99.93
         66 |          1        0.01       99.94
         72 |          1        0.01       99.95
         81 |          1        0.01       99.96
         85 |          1        0.01       99.97
        152 |          1        0.01       99.98
        154 |          1        0.01       99.99
        194 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017