Frequencies for first 10,000 rows of PCT012A201 variable in sf12000860us16 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,864       48.64       48.64
          1 |      1,446       14.46       63.10
          2 |        731        7.31       70.41
          3 |        531        5.31       75.72
          4 |        368        3.68       79.40
          5 |        318        3.18       82.58
          6 |        271        2.71       85.29
          7 |        181        1.81       87.10
          8 |        191        1.91       89.01
          9 |        135        1.35       90.36
         10 |        125        1.25       91.61
         11 |        102        1.02       92.63
         12 |         99        0.99       93.62
         13 |         80        0.80       94.42
         14 |         61        0.61       95.03
         15 |         54        0.54       95.57
         16 |         61        0.61       96.18
         17 |         54        0.54       96.72
         18 |         32        0.32       97.04
         19 |         36        0.36       97.40
         20 |         25        0.25       97.65
         21 |         27        0.27       97.92
         22 |         26        0.26       98.18
         23 |         18        0.18       98.36
         24 |         18        0.18       98.54
         25 |         14        0.14       98.68
         26 |         14        0.14       98.82
         27 |          8        0.08       98.90
         28 |         10        0.10       99.00
         29 |         10        0.10       99.10
         30 |          9        0.09       99.19
         31 |          7        0.07       99.26
         32 |          7        0.07       99.33
         33 |          8        0.08       99.41
         34 |          6        0.06       99.47
         35 |          6        0.06       99.53
         36 |          6        0.06       99.59
         37 |          5        0.05       99.64
         38 |          2        0.02       99.66
         39 |          2        0.02       99.68
         40 |          3        0.03       99.71
         41 |          2        0.02       99.73
         42 |          1        0.01       99.74
         43 |          3        0.03       99.77
         44 |          1        0.01       99.78
         45 |          5        0.05       99.83
         46 |          2        0.02       99.85
         47 |          5        0.05       99.90
         48 |          2        0.02       99.92
         51 |          2        0.02       99.94
         52 |          1        0.01       99.95
         60 |          1        0.01       99.96
         63 |          1        0.01       99.97
         77 |          1        0.01       99.98
         79 |          1        0.01       99.99
         80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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