Frequencies for first 10,000 rows of pct012i201 variable in sf12000860us24 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,994       49.94       49.94
          1 |      1,436       14.36       64.30
          2 |        711        7.11       71.41
          3 |        524        5.24       76.65
          4 |        363        3.63       80.28
          5 |        312        3.12       83.40
          6 |        240        2.40       85.80
          7 |        173        1.73       87.53
          8 |        174        1.74       89.27
          9 |        136        1.36       90.63
         10 |        125        1.25       91.88
         11 |         98        0.98       92.86
         12 |         95        0.95       93.81
         13 |         81        0.81       94.62
         14 |         63        0.63       95.25
         15 |         51        0.51       95.76
         16 |         57        0.57       96.33
         17 |         50        0.50       96.83
         18 |         32        0.32       97.15
         19 |         33        0.33       97.48
         20 |         26        0.26       97.74
         21 |         30        0.30       98.04
         22 |         24        0.24       98.28
         23 |         19        0.19       98.47
         24 |         16        0.16       98.63
         25 |         13        0.13       98.76
         26 |         12        0.12       98.88
         27 |          7        0.07       98.95
         28 |         10        0.10       99.05
         29 |          9        0.09       99.14
         30 |          8        0.08       99.22
         31 |          7        0.07       99.29
         32 |          8        0.08       99.37
         33 |          6        0.06       99.43
         34 |          7        0.07       99.50
         35 |          5        0.05       99.55
         36 |          8        0.08       99.63
         37 |          2        0.02       99.65
         38 |          2        0.02       99.67
         39 |          3        0.03       99.70
         40 |          2        0.02       99.72
         41 |          2        0.02       99.74
         42 |          1        0.01       99.75
         43 |          3        0.03       99.78
         44 |          3        0.03       99.81
         45 |          3        0.03       99.84
         46 |          1        0.01       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
         76 |          1        0.01       99.98
         77 |          1        0.01       99.99
         79 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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