Frequencies for first 10,000 rows of pct012g167 variable in sf12000860us22 dataset :

   60 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,974       79.74       79.74
          1 |      1,124       11.24       90.98
          2 |        353        3.53       94.51
          3 |        167        1.67       96.18
          4 |         81        0.81       96.99
          5 |         73        0.73       97.72
          6 |         43        0.43       98.15
          7 |         35        0.35       98.50
          8 |         23        0.23       98.73
          9 |         19        0.19       98.92
         10 |         15        0.15       99.07
         11 |         15        0.15       99.22
         12 |          9        0.09       99.31
         13 |         12        0.12       99.43
         14 |          6        0.06       99.49
         15 |          9        0.09       99.58
         16 |          6        0.06       99.64
         17 |          7        0.07       99.71
         18 |          4        0.04       99.75
         19 |          5        0.05       99.80
         20 |          1        0.01       99.81
         21 |          3        0.03       99.84
         22 |          5        0.05       99.89
         23 |          1        0.01       99.90
         24 |          2        0.02       99.92
         25 |          4        0.04       99.96
         27 |          1        0.01       99.97
         28 |          1        0.01       99.98
         36 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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