Frequencies for first 10,000 rows of pct012j101 variable in sf12010880us29 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,838       98.38       98.38
          1 |        137        1.37       99.75
          2 |         17        0.17       99.92
          3 |          6        0.06       99.98
          4 |          1        0.01       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017