Frequencies for first 10,000 rows of PCT012B205 variable in sf12000860us17 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,318       93.18       93.18
          1 |        457        4.57       97.75
          2 |        114        1.14       98.89
          3 |         58        0.58       99.47
          4 |         25        0.25       99.72
          5 |         13        0.13       99.85
          6 |          7        0.07       99.92
          7 |          6        0.06       99.98
          8 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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