Year annual % change 1990 -26.048190662470148 1991 -22.497409083875464 1992 -16.11026801930471 1993 78.3304 1994 50.22536819297214 1995 2.1501880383355765 1996 36.08221654928163 1997 15.612234814430504 1998 103.22567383480497 1999 138.5754750923121 2000 -10.572193083620151 2001 -37.60642668554709 2002 -28.01200986793472 2003 19.589027454025132 2004 6.209089544625224 2005 13.579036670521184 2006 28.52212057228931 2007 39.559205223719786 2008 -56.847186895507576 2009 17.51986085598265 2010 10.722605744120939 2011 -33.0890695359779 2012 12.6786254826915 2013 35.4355466756062 2014 -5.6258415902094 2015 0.46848497953067 2016 -1.01840088550605 2017 18.8943639564761 2018 -11.3143335474585 2019 7.9898183563768 2020 18.1638592542283 2021 11.6809977673982 2022 -19.4813337614023