Year annual % 1997 1.9270721689515824 1998 -7.774000854499775 1999 -2.2344825713562386 2000 4.262265059513766 2001 8.8001984902522 2002 10.341590099443593 2003 8.544490646848772 2004 9.36256577091244 2005 7.4656888272351125 2006 3.5679258743437856 2007 1.231244852913079 2008 8.236045011818092 2009 -9.081562820522251 2010 9.080624066851527 2011 5.600645806564074 2012 1.7565126427266051 2013 9.135331119529354 2014 4.455303226345151 2015 -2.2539457500667055 2016 5.673213959422682 2017 6.294303059741836 2018 4.848174819433154 2019 5.74276645566249 2020 -8.847993006867071 2021 13.966304855889362 2022 -4.386313689847498 2023 3.7973500509475