Frequencies for measureenddatestr variable in hqi_national_comp dataset :

Measure End |
       Date |      Freq.     Percent        Cum.
------------+-----------------------------------
 03/31/2015 |          1        9.09        9.09
 06/30/2015 |         10       90.91      100.00
------------+-----------------------------------
      Total |         11      100.00

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