Year % of total exports 1995 8.289511319900859 1996 9.306214574140435 1997 11.488065483980643 1998 12.151185313643145 1999 10.73940035896078 2000 7.68290874456046 2001 7.415319119650904 2002 8.840605207600282 2003 7.430835416347838 2004 7.692246578748517 2005 5.451045616014903 2006 3.4745972878949356 2007 4.397562048605599 2008 2.848051747013575 2009 5.497164319886167 2010 5.209398244349984 2011 3.4953204110473584 2012 4.728247921183073 2013 4.470322193649853 2014 5.251012596645347 2015 6.294829058578699 2016 7.483755411421422 2017 6.748463763359244 2018 4.67590876123428 2019 5.0283238152505 2020 2.3448230561049037