Frequencies for first 10,000 rows of pct012g154 variable in sf12010860us26 dataset :

   47 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,470       64.70       64.70
          1 |      1,461       14.61       79.31
          2 |        660        6.60       85.91
          3 |        364        3.64       89.55
          4 |        251        2.51       92.06
          5 |        189        1.89       93.95
          6 |        115        1.15       95.10
          7 |        111        1.11       96.21
          8 |         74        0.74       96.95
          9 |         47        0.47       97.42
         10 |         60        0.60       98.02
         11 |         25        0.25       98.27
         12 |         24        0.24       98.51
         13 |         19        0.19       98.70
         14 |         14        0.14       98.84
         15 |         14        0.14       98.98
         16 |         16        0.16       99.14
         17 |          9        0.09       99.23
         18 |          8        0.08       99.31
         19 |          7        0.07       99.38
         20 |         10        0.10       99.48
         21 |          3        0.03       99.51
         22 |          5        0.05       99.56
         23 |          5        0.05       99.61
         24 |          4        0.04       99.65
         25 |          1        0.01       99.66
         26 |          3        0.03       99.69
         27 |          2        0.02       99.71
         28 |          3        0.03       99.74
         29 |          4        0.04       99.78
         31 |          3        0.03       99.81
         32 |          2        0.02       99.83
         33 |          2        0.02       99.85
         34 |          1        0.01       99.86
         35 |          1        0.01       99.87
         36 |          2        0.02       99.89
         37 |          1        0.01       99.90
         38 |          2        0.02       99.92
         39 |          3        0.03       99.95
         41 |          1        0.01       99.96
         43 |          1        0.01       99.97
         47 |          1        0.01       99.98
         52 |          1        0.01       99.99
         72 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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