Year annual % change 1996 5.900000095367432 1997 30.36870002746582 1998 -46.770599365234375 1999 -19.700000762939453 2000 -43.7677230835 2001 25.191947937 2002 9.7299995422 2003 27.2700004578 2004 115.3899993896 2005 108.0565572215 2006 12.6576396807 2007 12.7362393504 2009 75.7217160445 2010 44.05826763793781 2011 -12.0037784367257 2012 29.1424334306926 2013 -17.8416965096053 2014 -19.7966430247872 2015 -41.0415907062282 2016 22.6975460896323 2017 11.8752264387045 2018 -19.3053543352733 2019 27.1846666438016 2020 -17.9492755691576 2021 -16.0836930142678 2022 -17.232703020576