Year annual % 1981 7.355999412788819 1982 -7.6412061200187225 1983 2.390658146353573 1984 18.986525328392105 1985 4.450868453416319 1986 4.48351413387438 1987 6.287096188360536 1988 0.4378926456911785 1989 3.9409233720696193 1990 8.382217086881113 1991 5.482320347285466 1992 1.7451837771113503 1993 1.0043494714950612 1994 2.578714027387491 1995 5.065144059444336 1996 0.4619688490554523 1997 2.8737017854908515 1998 2.4302378745561413 1999 2.3325322513429825 2000 1.1158340503708075 2001 -0.9121407253433063 2002 0.4117104554075297 2003 5.22451730389426 2004 0.7081348284097686 2005 6.896936516118444 2006 5.175613507841973 2007 3.5909000838468614 2008 2.5327735243088796 2009 0.3184365322461531 2010 5.422819432307406 2011 1.412404958305018 2012 2.0133687076049824 2013 6.005713665663492 2014 3.7803372717235106 2015 3.236452802198329 2016 -0.05668511101542606 2017 3.4585905853137717 2018 0.23146946975145966 2019 2.1784763640302174 2020 -5.166645473378395 2021 9.148532686161673 2022 8.182120608038616 2023 4.195125090113066