Frequencies for first 10,000 rows of pct012d093 variable in sf12010860us23 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,586       95.86       95.86
          1 |        309        3.09       98.95
          2 |         51        0.51       99.46
          3 |         25        0.25       99.71
          4 |          9        0.09       99.80
          5 |          7        0.07       99.87
          6 |          3        0.03       99.90
          7 |          2        0.02       99.92
          8 |          2        0.02       99.94
         10 |          1        0.01       99.95
         11 |          2        0.02       99.97
         22 |          2        0.02       99.99
         32 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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