Year Percent Change 1986-01-01 -8.91631784147133000 1987-01-01 4.92580296875692000 1988-01-01 -3.92268537955712000 1989-01-01 -2.49048262187312000 1990-01-01 -0.20218168104182700 1991-01-01 3.41302975088744000 1992-01-01 1.12881725239251000 1993-01-01 -1.18466775643884000 1994-01-01 -2.89326610148858000 1995-01-01 3.88534248902940000 1996-01-01 0.00624061902162365 1997-01-01 -3.36113402944578000 1998-01-01 -3.74547866452060000 1999-01-01 -3.87354594548755000 2000-01-01 -1.04471178954204000 2001-01-01 8.89166540224458000 2002-01-01 0.84305996370842600 2003-01-01 0.34756797885492000 2004-01-01 1.28037390105714000 2005-01-01 3.91225868038961000 2006-01-01 6.71287741243150000 2007-01-01 -6.90168141715295000 2008-01-01 14.88322075552980000 2009-01-01 27.58874362164720000 2010-01-01 -5.43682091912070000