Frequencies for measurestartdatestr variable in hqi_national_hcahps dataset :

    Measure |
 Start Date |      Freq.     Percent        Cum.
------------+-----------------------------------
 10/01/2014 |         32      100.00      100.00
------------+-----------------------------------
      Total |         32      100.00

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