Year % of total merchandise exports 1993 0.1408087772319389 1994 0.3132193053826568 1995 0.4754265997082077 1996 0.17313961569060365 1997 0.14802839731788572 1998 1.0915813947689914 1999 4.418603391202894 2000 12.03854838356808 2001 12.04063845822399 2002 12.051877883302913 2003 12.020920388960125 2004 12.149153635124076 2005 12.16888879025954 2006 12.177489064195209 2007 12.17748904571805 2008 12.177489010929976 2009 12.17748904149065 2010 12.177489066329699 2011 12.177489004737524 2012 12.177489041725604 2013 12.177489049156543 2014 12.177489089215506 2015 12.17748902170178 2016 6.070535486956756 2017 5.641067885580221 2018 4.839017528304755 2019 3.858465851714358 2020 5.369795390102056