Year Percent Change 1993-01-01 30.539222412636200 1994-01-01 32.597499491803300 1995-01-01 15.181442344181800 1996-01-01 11.743426044090200 1997-01-01 5.393216528086730 1998-01-01 6.454102064879810 1999-01-01 3.417039555231350 2000-01-01 4.846214479899320 2001-01-01 3.869629179200910 2002-01-01 2.954884732642850 2003-01-01 4.225945678746280 2004-01-01 3.244630728225400 2005-01-01 -2.029868736287930 2006-01-01 -3.137347466881660 2007-01-01 0.724334452846066 2008-01-01 5.831464706258160 2009-01-01 2.479130241397320 2010-01-01 0.939566505689824