Year Percent Change 1986-01-01 5.71883787139956000 1987-01-01 -3.31801126145996000 1988-01-01 -3.87159406197226000 1989-01-01 -3.19986516724147000 1990-01-01 -1.74600616092770000 1991-01-01 9.04608347694597000 1992-01-01 -0.72825692142594900 1993-01-01 3.64638313953285000 1994-01-01 -2.62995454091015000 1995-01-01 -7.12786654859200000 1996-01-01 -2.13035122137533000 1997-01-01 -4.99881539604430000 1998-01-01 -4.47660872177404000 1999-01-01 -5.17651512303795000 2000-01-01 -0.69413170348552400 2001-01-01 -1.41774376836673000 2002-01-01 -7.34626667650538000 2003-01-01 2.37935359601894000 2004-01-01 -0.01909721214495450 2005-01-01 5.83419296805766000 2006-01-01 0.00651786766621143 2007-01-01 -4.91121843685900000 2008-01-01 -0.91862159299142200 2009-01-01 -10.58853963061430000 2010-01-01 -13.06684848222630000