Year Percent Change 1993-01-01 18.034361772507700 1994-01-01 11.499184735097400 1995-01-01 18.251505061885400 1996-01-01 19.428844689100800 1997-01-01 17.570148344717700 1998-01-01 12.361762768404100 1999-01-01 9.387812879242240 2000-01-01 8.748248130733080 2001-01-01 10.295608318830100 2002-01-01 8.577960821861980 2003-01-01 6.338272488263880 2004-01-01 5.482760751575250 2005-01-01 0.963798525240486 2006-01-01 2.186937010172850 2007-01-01 6.315163334624170 2008-01-01 5.016005258956760 2009-01-01 2.495602836339580 2010-01-01 -3.583679195896840