Year % of GDP 1995 4490.867698650282 1996 2887.01575367049 1997 2842.9697783054175 1998 4507.8318507591075 1999 4537.214579677826 2000 4370.415441801186 2001 4.357666131302822 2002 5.678818658547424 2003 9.557904426405011 2004 14.899946758016197 2005 21.66984476365398 2006 25.56354286704776 2007 30.307513703084645 2008 27.15530301186366 2009 32.07231641326489 2010 38.384392582185164 2011 38.911239133612426 2012 40.03791780921775 2013 35.14910151145651 2014 31.494034137016214 2015 31.798846638442058 2016 30.00822059282568 2017 27.999212346889497 2018 23.450270484215718 2019 21.34230913894635 2020 18.840808805427837 2021 16.679221608601758 2022 11.878190816472852