Frequencies for first 10,000 rows of pct012l174 variable in sf12000860us27 dataset :

   67 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,027       80.27       80.27
          1 |        940        9.40       89.67
          2 |        364        3.64       93.31
          3 |        203        2.03       95.34
          4 |        119        1.19       96.53
          5 |         67        0.67       97.20
          6 |         45        0.45       97.65
          7 |         37        0.37       98.02
          8 |         24        0.24       98.26
          9 |         29        0.29       98.55
         10 |         20        0.20       98.75
         11 |         20        0.20       98.95
         12 |         11        0.11       99.06
         13 |         13        0.13       99.19
         14 |          5        0.05       99.24
         15 |         11        0.11       99.35
         16 |          8        0.08       99.43
         17 |          5        0.05       99.48
         18 |          5        0.05       99.53
         19 |          2        0.02       99.55
         20 |          1        0.01       99.56
         21 |          4        0.04       99.60
         22 |          4        0.04       99.64
         23 |          4        0.04       99.68
         24 |          2        0.02       99.70
         25 |          2        0.02       99.72
         26 |          1        0.01       99.73
         27 |          2        0.02       99.75
         28 |          1        0.01       99.76
         29 |          2        0.02       99.78
         30 |          2        0.02       99.80
         31 |          3        0.03       99.83
         34 |          1        0.01       99.84
         35 |          1        0.01       99.85
         37 |          1        0.01       99.86
         41 |          2        0.02       99.88
         45 |          1        0.01       99.89
         49 |          1        0.01       99.90
         52 |          1        0.01       99.91
         53 |          1        0.01       99.92
         58 |          1        0.01       99.93
         69 |          1        0.01       99.94
         72 |          1        0.01       99.95
         74 |          1        0.01       99.96
         75 |          1        0.01       99.97
        113 |          1        0.01       99.98
        137 |          1        0.01       99.99
        185 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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