Year annual % 1990 24.8409243752035 1991 -8.49809172521729 1992 1.27307515250858 1993 -5.38937304147098 1994 -0.45045478529012 1995 1.75616644146506 1996 7.41575027535883 1997 -2.23523415911629 1998 -13.3524 1999 11.0382944317452 2000 17.4087250881439 2001 -4.56253382145964 2002 4.70376635787724 2003 10.3466275257883 2004 13.0078895123128 2005 22.4646229555795 2006 13.6301336230696 2007 8.26411313377069 2008 33.7510969910416 2009 -25.1281366687739 2010 15.6352851176302 2011 15.884491777402 2012 3.60643426874947 2013 -2.22041185302194 2014 1.75729954907395 2015 -19.1464725188166 2016 -9.13627527605452 2017 7.29794329780007 2018 11.7322946084517 2019 -2.66616164476726 2020 -10.7836781304004 2021 12.6957152190563 2022 24.6463512816889 2023 -6.85753516092224