Frequencies for measurestartdate variable in hqi_state_mv dataset :

    Measure |
 Start Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  01oct2012 |      3,723      100.00      100.00
------------+-----------------------------------
      Total |      3,723      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016