Frequencies for first 10,000 rows of pct012m126 variable in sf12010880us32 dataset :

   19 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,817       98.17       98.17
          1 |        153        1.53       99.70
          2 |         22        0.22       99.92
          3 |          5        0.05       99.97
          4 |          1        0.01       99.98
          5 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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