Frequencies for first 10,000 rows of pct012d077 variable in sf12010860us23 dataset :

   74 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,093       80.93       80.93
          1 |        809        8.09       89.02
          2 |        357        3.57       92.59
          3 |        202        2.02       94.61
          4 |        138        1.38       95.99
          5 |         79        0.79       96.78
          6 |         69        0.69       97.47
          7 |         39        0.39       97.86
          8 |         31        0.31       98.17
          9 |         25        0.25       98.42
         10 |         22        0.22       98.64
         11 |         18        0.18       98.82
         12 |         17        0.17       98.99
         13 |         14        0.14       99.13
         14 |         12        0.12       99.25
         15 |          9        0.09       99.34
         16 |          9        0.09       99.43
         17 |          1        0.01       99.44
         18 |          6        0.06       99.50
         19 |          5        0.05       99.55
         20 |          2        0.02       99.57
         21 |          1        0.01       99.58
         22 |          7        0.07       99.65
         23 |          2        0.02       99.67
         24 |          2        0.02       99.69
         25 |          2        0.02       99.71
         26 |          4        0.04       99.75
         27 |          1        0.01       99.76
         28 |          2        0.02       99.78
         29 |          2        0.02       99.80
         32 |          2        0.02       99.82
         33 |          1        0.01       99.83
         34 |          2        0.02       99.85
         37 |          1        0.01       99.86
         39 |          1        0.01       99.87
         40 |          1        0.01       99.88
         41 |          1        0.01       99.89
         42 |          1        0.01       99.90
         45 |          1        0.01       99.91
         53 |          1        0.01       99.92
         54 |          2        0.02       99.94
         59 |          1        0.01       99.95
         62 |          1        0.01       99.96
         94 |          1        0.01       99.97
        121 |          1        0.01       99.98
        145 |          1        0.01       99.99
        148 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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