Year % 1982 -32.12862157742373 1983 -4.406609210006524 1984 1.1187276317811523 1985 0.3081433008691221 1986 3.175981005484791 1987 12.419108136438002 1988 8.287714676315883 1989 12.07900234874972 1990 11.816967092740507 1991 -15.717737852032862 1992 7.293129408964537 1993 17.73455851055519 1994 15.004136226850113 1995 12.750936297346792 1996 9.731995070049962 1997 6.798727782443421 1998 9.411567169161687 1999 13.24650875576535 2000 14.16902249284839 2001 12.861566632195425 2002 15.147328561285754 2003 13.497816819942916 2004 8.888553212894921 2005 10.301889484155843 2006 8.146284031713973 2007 2.0644351625829076 2008 3.952220954466861 2009 9.135716345871634 2010 9.811593129234394 2011 11.045273893623856 2012 12.869664356661938 2013 10.132995708824584 2014 8.187917600202324 2015 9.887063287818561 2016 9.493883465272695 2017 8.269830325665062 2018 8.73920721889922 2019 6.024715567864435 2020 5.820520183220324 2021 3.065307093846865 2022 1.0166180650108727 2023 9.19254167495134