Frequencies for measurestartdate variable in hqi_state_readmcompdeath dataset :

    Measure |
 Start Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  01jul2009 |        448       53.33       53.33
  01jul2010 |        336       40.00       93.33
  01jul2011 |         56        6.67      100.00
------------+-----------------------------------
      Total |        840      100.00

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