Frequencies for first 10,000 rows of pct012l177 variable in sf12010860us31 dataset :

   70 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,607       76.07       76.07
          1 |        923        9.23       85.30
          2 |        429        4.29       89.59
          3 |        267        2.67       92.26
          4 |        149        1.49       93.75
          5 |        113        1.13       94.88
          6 |         83        0.83       95.71
          7 |         58        0.58       96.29
          8 |         38        0.38       96.67
          9 |         41        0.41       97.08
         10 |         39        0.39       97.47
         11 |         36        0.36       97.83
         12 |         27        0.27       98.10
         13 |         28        0.28       98.38
         14 |         14        0.14       98.52
         15 |         16        0.16       98.68
         16 |         11        0.11       98.79
         17 |         11        0.11       98.90
         18 |         11        0.11       99.01
         19 |         10        0.10       99.11
         20 |          3        0.03       99.14
         21 |          7        0.07       99.21
         22 |          6        0.06       99.27
         23 |          4        0.04       99.31
         24 |          4        0.04       99.35
         25 |          3        0.03       99.38
         26 |          6        0.06       99.44
         27 |          5        0.05       99.49
         28 |          6        0.06       99.55
         29 |          2        0.02       99.57
         32 |          4        0.04       99.61
         33 |          1        0.01       99.62
         34 |          2        0.02       99.64
         35 |          4        0.04       99.68
         36 |          2        0.02       99.70
         37 |          1        0.01       99.71
         38 |          2        0.02       99.73
         39 |          2        0.02       99.75
         41 |          3        0.03       99.78
         42 |          4        0.04       99.82
         43 |          1        0.01       99.83
         47 |          1        0.01       99.84
         49 |          1        0.01       99.85
         50 |          1        0.01       99.86
         52 |          1        0.01       99.87
         53 |          2        0.02       99.89
         54 |          1        0.01       99.90
         58 |          2        0.02       99.92
         74 |          1        0.01       99.93
         85 |          1        0.01       99.94
         95 |          1        0.01       99.95
         96 |          1        0.01       99.96
        114 |          1        0.01       99.97
        160 |          1        0.01       99.98
        182 |          1        0.01       99.99
        211 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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