Frequencies for first 10,000 rows of quarterbegindate variable in sdued2013 dat

    Quarter |
 Begin Date |      Freq.     Percent        Cum.
------------+-----------------------------------
 01/01/2013 |      8,336       83.36       83.36
 04/01/2013 |      1,664       16.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Feb 2018