Year % of total exports 1995 9.206972710718677 1996 8.838863668178178 1997 8.331186813438201 1998 8.445567536074893 1999 7.515140053205502 2000 6.363986558411078 2001 6.609737615737014 2002 6.141273545192317 2003 6.048878366099618 2004 5.410101104537083 2005 5.317887363273904 2006 5.214862131392077 2007 4.999525894600637 2008 5.0311693454001185 2009 5.3216473935623805 2010 4.627482315005348 2011 4.422779731104577 2012 4.266316801944637 2013 4.039549332946011 2014 4.559998858705718 2015 4.612503728799675 2016 4.362119493368792 2017 4.460990469074445 2018 4.388860277192887 2019 4.442379576153247 2020 2.1082504826138986