Year annual % growth 1998 12.784115084302243 1999 -12.357439067244513 2000 114.33746472931566 2001 1.665201360468842 2002 2.353256322546528 2003 2.4695099608764934 2004 19.318429099328853 2005 1.5353058623862665 2006 8.30979085768682 2007 -7.059208458607472 2008 -8.87017799237313 2009 13.767393903037288 2010 16.950605792405128 2011 -1.22748473248339 2012 2.6808059749319284 2013 -0.1318108646926106 2014 -9.67336869905047 2015 -4.992204163119567 2016 -27.32056334882033 2017 -2.613024958941992 2018 25.456966152696054 2019 33.39501258413006 2020 -16.872094919701937 2021 3.912374300176836 2022 4.032202817820817 2023 8.257879863859245