Frequencies for first 10,000 rows of pct012i101 variable in sf12010860us28 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,481       84.81       84.81
          1 |      1,021       10.21       95.02
          2 |        307        3.07       98.09
          3 |        117        1.17       99.26
          4 |         48        0.48       99.74
          5 |         17        0.17       99.91
          6 |          3        0.03       99.94
          7 |          1        0.01       99.95
          8 |          3        0.03       99.98
         10 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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