Year % of total merchandise exports 1993 11.625766036756337 1994 16.030979164013452 1995 2.225227188766602 1996 3.0051968624048095 1997 4.589383714981053 1998 2.6495493323049217 1999 4.584012470893618 2000 7.983564217735767 2001 7.231629986229201 2002 4.7957504351219935 2003 2.75510415036756 2004 3.425767912524512 2005 3.8007913413811885 2006 16.249944613155687 2007 19.60097480647631 2008 21.36402536448293 2009 21.84731811375959 2010 21.85951368889836 2011 22.544846441119887 2012 19.79451204492521 2013 19.424390881674285 2014 20.56896726507576 2015 20.619527628730648 2016 21.325644923473934 2017 22.336471289242212 2018 20.179553309082994 2019 20.872968728773117 2020 20.59647080233471