2017 2013 2008 2002
Summer Fall Fall Summer
Winter Summer Summer Fall
Spring Spring Spring Winter
Winter Winter  
    2001
2016 2012 2007 Spring
Fall Fall Summer Summer
Summer Summer  
Spring Spring 2006 2000
Winter Winter Fall/Winter Spring
    Summer Summer
 2015 2011 Spring Fall
Fall Fall Spring Extra Winter
 Summer Summer    
 Spring Spring 2005 1999
 Winter   Summer Spring
  2010
Fall Summer
 2014 Winter    
  Fall Fall 2004 1998
 Summer Summer Spring Summer
 Spring Spring Fall Fall
 Winter     Winter
  2009 2003  
  Fall Spring 1997
  Summer   Spring
  Spring   Summer