Frequencies for first 10,000 rows of enddate variable in nadacc20170419 dataset :

   End Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  19apr2017 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Feb 2018