Frequencies for first 10,000 rows of pct012m125 variable in sf12010880us32 dataset :

   18 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,830       98.30       98.30
          1 |        153        1.53       99.83
          2 |         14        0.14       99.97
          3 |          1        0.01       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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