1998: [April - June] [July - September] [October - December]

1999: [January - March] [April - June] [July - September] [October - December]

2000: [January - March] [April - June] [July - September] [October - December]

2001: [January - March] [April - June] [July - September] [October - December]

2002: [January - March] [April - June] [July - September] [October - December]

2003: [January - March] [April - June] [July - September] [October - December]

2004: [January - March] [April - June] [July - September] [October - December]

2005: [January - March] [April - June] [July - September] [October - December]

2006: [January - March] [April - June] [July - September] [October - December]

2007: [January - March] [April - June] [July - September] [October - December]

2008: [January - March] [April - June] [July - September] [October - December]

2009: [January - March] [April - June] [July - September] [October - December]

2010: [January - March] [April - June] [July - September] [October - December]

2011: [January - March] [April - June] [July - September] [October - December]

2012: [January - March] [April - June] [July - August]