Frequencies for first 10,000 rows of pct0120102 variable in sf12010860us17 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,599       85.99       85.99
          1 |        988        9.88       95.87
          2 |        272        2.72       98.59
          3 |         79        0.79       99.38
          4 |         31        0.31       99.69
          5 |         13        0.13       99.82
          6 |         13        0.13       99.95
          7 |          3        0.03       99.98
          8 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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