Year	% of total merchandise exports
1993	2.275546639330524
1994	3.341838390244176
1995	2.2503904459496207
1996	3.6812484664077902
1997	4.861889661342625
1998	5.301863188933046
1999	2.724438634554211
2000	1.330418626822145
2001	1.3549952753483363
2002	1.324425070044048
2003	2.0606778250582427
2004	0.7801859982033383
2005	1.378024283577951
2006	0.669402425304885
2007	1.1702465363242305
2008	1.2889551110108783
2009	2.396582609853063
2010	3.476344104668826
2011	1.9491548018333589
2012	2.3876441259492704
2013	2.1242060692830567
2014	2.2236556888359917
2015	1.7679447533454173
2016	2.1206172158687497
2017	1.8584472176423228
2018	1.8054299332901955
2019	2.4174734959724278
2020	1.8923429696237646