Year annual % change 1990 -11.860124604820111 1991 11.162404496755318 1992 -8.000971841834248 1993 36.68399932190181 1994 4.128748789936654 1995 15.652831650942645 1996 17.982285156056356 1997 28.02265966603903 1998 25.239835901797857 1999 20.06611100783069 2000 -13.461145207954473 2001 -24.558298401290692 2002 -33.539006217583655 2003 64.03046645093858 2004 16.754680148621137 2005 10.261469626446939 2006 35.9567181778216 2007 36.41053451827212 2008 -42.79786034440255 2009 25.824310932142836 2010 7.35079127959819 2011 -16.6410044832911 2012 29.05965 2013 25.48175 2014 2.65269844726219 2015 9.560504 2016 6.87004852457551 2017 12.5126088689043 2018 -18.2593705295471 2019 25.4764656266888 2020 3.54569888618093 2021 15.7891593559748 2022 -12.3467909980906