Frequencies for first 10,000 rows of PCT012B197 variable in sf12000860us17 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,035       80.35       80.35
          1 |        811        8.11       88.46
          2 |        368        3.68       92.14
          3 |        220        2.20       94.34
          4 |        132        1.32       95.66
          5 |         91        0.91       96.57
          6 |         63        0.63       97.20
          7 |         47        0.47       97.67
          8 |         39        0.39       98.06
          9 |         35        0.35       98.41
         10 |         14        0.14       98.55
         11 |         15        0.15       98.70
         12 |         17        0.17       98.87
         13 |         16        0.16       99.03
         14 |          9        0.09       99.12
         15 |         11        0.11       99.23
         16 |          7        0.07       99.30
         17 |          4        0.04       99.34
         18 |          9        0.09       99.43
         19 |          4        0.04       99.47
         20 |          3        0.03       99.50
         21 |          6        0.06       99.56
         22 |          4        0.04       99.60
         23 |          4        0.04       99.64
         24 |          6        0.06       99.70
         25 |          2        0.02       99.72
         26 |          1        0.01       99.73
         27 |          1        0.01       99.74
         28 |          3        0.03       99.77
         29 |          3        0.03       99.80
         30 |          1        0.01       99.81
         31 |          2        0.02       99.83
         32 |          2        0.02       99.85
         34 |          2        0.02       99.87
         35 |          1        0.01       99.88
         36 |          1        0.01       99.89
         38 |          2        0.02       99.91
         39 |          2        0.02       99.93
         40 |          1        0.01       99.94
         41 |          1        0.01       99.95
         44 |          2        0.02       99.97
         52 |          1        0.01       99.98
         54 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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