Year Percent Change 1996-01-01 2.554987706509440 1997-01-01 -0.980664943633066 1998-01-01 5.324091698841850 1999-01-01 3.967343484054550 2000-01-01 3.166433060839290 2001-01-01 7.049829572805170 2002-01-01 2.417153513652240 2003-01-01 0.788710345882642 2004-01-01 2.520717530367330 2005-01-01 0.565948033759757 2006-01-01 -2.711596918090500 2007-01-01 -0.011886870227969 2008-01-01 5.968870481227090 2009-01-01 8.596825030237540 2010-01-01 -5.550387709327900