Frequencies for first 10,000 rows of pct012l173 variable in sf12000860us27 dataset :

   66 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,076       80.76       80.76
          1 |        899        8.99       89.75
          2 |        326        3.26       93.01
          3 |        191        1.91       94.92
          4 |        110        1.10       96.02
          5 |         93        0.93       96.95
          6 |         57        0.57       97.52
          7 |         36        0.36       97.88
          8 |         35        0.35       98.23
          9 |         25        0.25       98.48
         10 |         20        0.20       98.68
         11 |         23        0.23       98.91
         12 |         14        0.14       99.05
         13 |         11        0.11       99.16
         14 |          4        0.04       99.20
         15 |          6        0.06       99.26
         16 |          4        0.04       99.30
         17 |         10        0.10       99.40
         18 |          5        0.05       99.45
         19 |          8        0.08       99.53
         20 |          6        0.06       99.59
         21 |          4        0.04       99.63
         23 |          2        0.02       99.65
         25 |          5        0.05       99.70
         26 |          3        0.03       99.73
         28 |          2        0.02       99.75
         29 |          2        0.02       99.77
         30 |          3        0.03       99.80
         31 |          2        0.02       99.82
         32 |          2        0.02       99.84
         39 |          2        0.02       99.86
         40 |          1        0.01       99.87
         42 |          2        0.02       99.89
         43 |          1        0.01       99.90
         47 |          1        0.01       99.91
         48 |          1        0.01       99.92
         58 |          1        0.01       99.93
         64 |          1        0.01       99.94
         73 |          1        0.01       99.95
         77 |          1        0.01       99.96
         92 |          1        0.01       99.97
        100 |          1        0.01       99.98
        159 |          1        0.01       99.99
        200 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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