Frequencies for measure_end_quarter variable in measure_dates dataset :

Measure_End |
   _Quarter |      Freq.     Percent        Cum.
------------+-----------------------------------
     1Q2015 |          5        3.09        3.09
     2Q2011 |          4        2.47        5.56
     2Q2014 |         13        8.02       13.58
     2Q2015 |         34       20.99       34.57
     3Q2014 |          1        0.62       35.19
     3Q2015 |         48       29.63       64.81
     4Q2012 |         15        9.26       74.07
     4Q2014 |         42       25.93      100.00
------------+-----------------------------------
      Total |        162      100.00

by Jean Roth , jroth@nber.org , 15 Nov 2016