Frequencies for first 10,000 rows of pct012d170 variable in sf12000860us19 dataset :

   63 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,958       79.58       79.58
          1 |        905        9.05       88.63
          2 |        348        3.48       92.11
          3 |        206        2.06       94.17
          4 |        134        1.34       95.51
          5 |         83        0.83       96.34
          6 |         64        0.64       96.98
          7 |         52        0.52       97.50
          8 |         31        0.31       97.81
          9 |         31        0.31       98.12
         10 |         18        0.18       98.30
         11 |         18        0.18       98.48
         12 |         17        0.17       98.65
         13 |          9        0.09       98.74
         14 |         23        0.23       98.97
         15 |         11        0.11       99.08
         16 |          7        0.07       99.15
         17 |          8        0.08       99.23
         18 |         11        0.11       99.34
         19 |          2        0.02       99.36
         20 |          7        0.07       99.43
         21 |          6        0.06       99.49
         22 |          1        0.01       99.50
         23 |          2        0.02       99.52
         24 |          1        0.01       99.53
         25 |          4        0.04       99.57
         26 |          3        0.03       99.60
         27 |          4        0.04       99.64
         28 |          1        0.01       99.65
         29 |          3        0.03       99.68
         30 |          2        0.02       99.70
         32 |          2        0.02       99.72
         33 |          1        0.01       99.73
         35 |          3        0.03       99.76
         36 |          3        0.03       99.79
         38 |          2        0.02       99.81
         39 |          2        0.02       99.83
         41 |          1        0.01       99.84
         43 |          2        0.02       99.86
         50 |          1        0.01       99.87
         52 |          2        0.02       99.89
         54 |          2        0.02       99.91
         63 |          1        0.01       99.92
         64 |          1        0.01       99.93
         66 |          1        0.01       99.94
         84 |          1        0.01       99.95
         85 |          1        0.01       99.96
         88 |          1        0.01       99.97
        133 |          1        0.01       99.98
        140 |          1        0.01       99.99
        185 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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