Date
- 1994-11-01T08:00:00Z1
- 1995-04-01T08:00:00Z1
- 1996-04-01T08:00:00Z1
- 1997-04-01T08:00:00Z1
- 1998-04-01T08:00:00Z1
- 1999-04-01T08:00:00Z2
- 1999-12-01T08:00:00Z1
- 2000-04-01T08:00:00Z2
- 2000-12-01T08:00:00Z1
- 2001-04-01T08:00:00Z2
- 2001-12-01T08:00:00Z1
- 2002-04-01T08:00:00Z2
- 2002-12-01T08:00:00Z1
- 2003-04-01T08:00:00Z2
- 2003-12-01T08:00:00Z1
- 2004-04-01T08:00:00Z2
- 2004-12-01T08:00:00Z1
- 2005-04-01T08:00:00Z2
- 2005-12-01T08:00:00Z1
- 2006-04-01T08:00:00Z2