Frequencies for measurestartdate variable in hqi_state_readmcompdeath dataset :

    Measure |
 Start Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  01apr2010 |         56        5.26        5.26
  01jul2010 |        616       57.89       63.16
  01jul2011 |        336       31.58       94.74
  01jul2012 |         56        5.26      100.00
------------+-----------------------------------
      Total |      1,064      100.00

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