Year annual % 1996 4.917435655781091 1997 -13.260724889776583 1998 5.597216727733326 1999 -7.476323757760682 2000 4.052208312052684 2001 8.44299217696431 2002 10.063470599612586 2003 5.654650765169023 2004 6.890706430848439 2005 6.98707549235462 2006 4.849418058028945 2007 2.326150851995436 2008 9.671788522494793 2009 -1.285184788879306 2010 3.3624351149773304 2011 1.6112970071107071 2012 3.2439845349187806 2013 -0.8644570135719363 2014 2.9013203681396647 2015 1.7177466205743173 2016 3.703853502054244 2017 4.442880981713813 2018 2.2841108316206515 2019 5.185610304106845 2020 -4.112988908295762 2021 7.900223880477711 2022 11.421077606165369 2023 2.266479788920222