Year % of total exports 1995 8.138749482846233 1996 7.454178097104274 1997 4.276907883477614 1998 3.6058962902422693 1999 4.391724990067785 2000 3.2916758300991833 2001 9.60171265204174 2002 1.6183189295691265 2003 1.7412985111769161 2004 3.02297027556718 2005 4.378132495269438 2006 19.00683508106893 2007 15.138050716710524 2008 12.027844036482486 2009 17.53766403893421 2010 16.09329256448828 2011 12.268583750656534 2012 10.568769965683822 2013 12.292723335548752 2014 11.413041175797925 2015 11.408233293006543 2016 12.796024097544406 2017 13.302200476892127 2018 13.516358592329558 2019 13.867923218133388 2020 1.6323346614152954