Year % 1983 -5.9637867769843265 1984 2.979267141941725 1985 9.7633485718286 1986 10.829521811892231 1987 3.6769545955372185 1988 4.407347674046435 1989 17.611431879153642 1990 10.928680952984841 1991 6.704507847203996 1992 11.332271375675885 1993 14.136111894359509 1994 1.7779548771597193 1995 -2.339634289656163 1996 11.28694944049417 1997 1.8656026589615333 1998 2.7590416607623847 1999 7.046922705863852 2000 3.925717978733661 2001 8.692587939039917 2002 1.4237501506362735 2003 7.40623929990038 2004 15.553080439478403 2005 -0.635761691143538 2006 -31.11724229980815 2007 6.792383875923482 2008 -2.2108672355313117 2009 15.741555943515463 2010 0.48097331163773444 2011 1.8148558397557972 2012 11.455556804504655 2013 6.316495981335522 2014 3.7353358045612937 2015 10.087811319828006 2016 5.712976777048025 2017 0.6395554954129922 2018 -0.6581251534104506 2019 7.506807343253351 2020 5.970732655966373 2021 -3.817291213013426 2022 -6.457224677544865 2023 11.137358666041006