Survey/season | Year ECOS sample formed | Completion date |
---|---|---|
1998/1999 | 1998 | May 1999 |
1999/2000 | 1998 | February 2000 |
2001/2002 | 1998 | July 2002 |
2002/2003 | 2002 | May 2003 |
2003/2004 | 2002 | March 2004 |
2004/2005 | 2002 | April 2005 |
2005/2006 | 2002 | May 2006 |
2006/2007 | 2006 | February 2007 |
2007/2008 | 2006 | February 2008 |
2008/2009 | 2006 | January 2009 |
2009/2010 | 2010 | April 2010 |
2010/2011 | 2010 | February 2011 |