Frequencies for first 10,000 rows of pct012g172 variable in sf12000860us22 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,258       82.58       82.58
          1 |        987        9.87       92.45
          2 |        317        3.17       95.62
          3 |        151        1.51       97.13
          4 |         70        0.70       97.83
          5 |         48        0.48       98.31
          6 |         33        0.33       98.64
          7 |         27        0.27       98.91
          8 |         20        0.20       99.11
          9 |         15        0.15       99.26
         10 |         14        0.14       99.40
         11 |         13        0.13       99.53
         12 |          5        0.05       99.58
         13 |          8        0.08       99.66
         14 |          7        0.07       99.73
         15 |          5        0.05       99.78
         16 |          7        0.07       99.85
         17 |          3        0.03       99.88
         18 |          3        0.03       99.91
         19 |          5        0.05       99.96
         20 |          1        0.01       99.97
         22 |          1        0.01       99.98
         23 |          1        0.01       99.99
         30 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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