Year annual % 1997 -17.455758958897405 1998 -4.783993912966864 1999 3.5880940563378374 2000 6.877245282216421 2001 4.971633792111746 2002 7.494424546101769 2003 10.806789804874455 2004 4.121276946290493 2005 6.939682354685758 2006 7.600993938145933 2007 13.591675451917553 2008 10.976844517806398 2009 1.394743764400502 2010 2.1764261897132258 2011 2.0454016429664534 2012 0.2944838088954782 2013 2.023329894135202 2014 3.027037031774583 2015 1.4778060785568812 2016 2.2902314019985397 2017 2.5377092920820132 2018 3.4705179148753302 2019 3.7446785421130215 2020 -2.8418498649695323 2021 5.638831759903113 2022 8.456683933059267 2023 4.222630179854619