Frequencies for first 10,000 rows of pct013c015 variable in sf12000860us31 dataset :

   45 to 49 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,438       64.38       64.38
          1 |      1,627       16.27       80.65
          2 |        713        7.13       87.78
          3 |        420        4.20       91.98
          4 |        273        2.73       94.71
          5 |        140        1.40       96.11
          6 |         93        0.93       97.04
          7 |         78        0.78       97.82
          8 |         48        0.48       98.30
          9 |         40        0.40       98.70
         10 |         17        0.17       98.87
         11 |         16        0.16       99.03
         12 |         11        0.11       99.14
         13 |         12        0.12       99.26
         14 |          8        0.08       99.34
         15 |          4        0.04       99.38
         16 |          7        0.07       99.45
         17 |          8        0.08       99.53
         18 |          5        0.05       99.58
         19 |          4        0.04       99.62
         20 |          3        0.03       99.65
         21 |          6        0.06       99.71
         22 |          1        0.01       99.72
         23 |          1        0.01       99.73
         25 |          3        0.03       99.76
         26 |          1        0.01       99.77
         27 |          1        0.01       99.78
         28 |          2        0.02       99.80
         29 |          1        0.01       99.81
         30 |          2        0.02       99.83
         31 |          1        0.01       99.84
         37 |          1        0.01       99.85
         38 |          2        0.02       99.87
         39 |          1        0.01       99.88
         40 |          1        0.01       99.89
         64 |          1        0.01       99.90
         72 |          1        0.01       99.91
        104 |          1        0.01       99.92
        119 |          1        0.01       99.93
        127 |          1        0.01       99.94
        139 |          1        0.01       99.95
        145 |          1        0.01       99.96
        183 |          1        0.01       99.97
        248 |          1        0.01       99.98
        249 |          1        0.01       99.99
        328 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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