Frequencies for first 10,000 rows of pct012o176 variable in sf12010860us34 dataset :

   69 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,446       84.46       84.46
          1 |      1,094       10.94       95.40
          2 |        280        2.80       98.20
          3 |         96        0.96       99.16
          4 |         52        0.52       99.68
          5 |         17        0.17       99.85
          6 |          6        0.06       99.91
          7 |          3        0.03       99.94
          8 |          3        0.03       99.97
          9 |          1        0.01       99.98
         11 |          1        0.01       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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