Year Percent Change 1993-01-01 15.64499676892330 1994-01-01 9.76267572880522 1995-01-01 19.86382448491680 1996-01-01 20.96652646526570 1997-01-01 17.63099612437700 1998-01-01 12.94268294078950 1999-01-01 7.60269875047153 2000-01-01 9.04741480191550 2001-01-01 10.52208040790590 2002-01-01 6.05040096906873 2003-01-01 6.03967136689279 2004-01-01 6.46514063380422 2005-01-01 3.49492957402945 2006-01-01 1.62802685824184 2007-01-01 5.24976577414340 2008-01-01 8.04980313312155 2009-01-01 3.66630113572986 2010-01-01 -2.56401007420274