Frequencies for first 10,000 rows of pct012l078 variable in sf12010860us31 dataset :

   75 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,180       81.80       81.80
          1 |        828        8.28       90.08
          2 |        318        3.18       93.26
          3 |        194        1.94       95.20
          4 |        130        1.30       96.50
          5 |         72        0.72       97.22
          6 |         43        0.43       97.65
          7 |         47        0.47       98.12
          8 |         33        0.33       98.45
          9 |         21        0.21       98.66
         10 |         17        0.17       98.83
         11 |         20        0.20       99.03
         12 |         12        0.12       99.15
         13 |         11        0.11       99.26
         14 |          5        0.05       99.31
         15 |         11        0.11       99.42
         16 |          6        0.06       99.48
         17 |          5        0.05       99.53
         18 |          4        0.04       99.57
         19 |          3        0.03       99.60
         20 |          3        0.03       99.63
         21 |          4        0.04       99.67
         22 |          4        0.04       99.71
         23 |          1        0.01       99.72
         24 |          1        0.01       99.73
         25 |          1        0.01       99.74
         26 |          3        0.03       99.77
         27 |          1        0.01       99.78
         28 |          1        0.01       99.79
         29 |          1        0.01       99.80
         30 |          2        0.02       99.82
         34 |          2        0.02       99.84
         35 |          1        0.01       99.85
         37 |          1        0.01       99.86
         39 |          3        0.03       99.89
         40 |          1        0.01       99.90
         42 |          1        0.01       99.91
         48 |          1        0.01       99.92
         50 |          1        0.01       99.93
         52 |          1        0.01       99.94
         66 |          1        0.01       99.95
         68 |          1        0.01       99.96
         86 |          1        0.01       99.97
         92 |          1        0.01       99.98
        123 |          1        0.01       99.99
        140 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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