Year	% of total merchandise exports
1992	15.12439409192073
1993	23.88033153445471
1994	38.18498327532963
1995	30.37225174352787
1996	35.939499272311416
1997	24.87207707360315
1998	8.1993783387851
1999	4.6465785892329095
2000	2.2624275087397607
2001	3.2025371458948224
2002	2.5557384345383416
2003	3.4296359407358032
2004	9.541107786346803
2005	7.823651071930748
2006	6.549105021835946
2007	19.389517557846002
2008	11.199818000834258
2009	12.65507845964976
2010	13.880317057928579
2011	10.486386529129879
2012	23.596405162347505
2013	29.344799961934342
2014	22.4861773028514
2015	14.23390054428193
2016	12.415255920856747
2017	11.703806659084366
2018	10.674278883677976
2019	12.024725657772986
2020	12.252149480916984