Year	% of total merchandise exports
1982	11.62949042700576
1983	6.653380347386172
1984	7.721194374413814
1986	1.5454384233904974
1987	1.0741193237554347
1988	0.8772964636872802
1989	1.3069223805518146
1990	1.6345837413358044
1991	0.7557297864103323
1992	0.9532317732474013
1993	0.615030210855573
1994	1.4806511067834844
1995	9.518255218355577
1996	8.651633967355258
1997	20.23497766904643
1998	15.674582698264885
1999	24.38171841181746
2000	24.477112478786868
2001	22.59999447160678
2002	18.51048697727456
2003	14.44053652536418
2004	23.164822900535647
2005	26.226591763275042
2006	31.539830979779428
2007	22.384425225455278
2008	17.703036640979754
2009	16.8163899694098
2010	14.845842472608872
2011	17.079068944120703
2012	15.83506940367925
2013	27.375600692118528
2014	38.85355489274207
2015	33.63965970100731
2016	39.42747895363722
2017	45.607203885838935
2018	47.83177986087415
2019	58.46532250254302
2020	47.64057661020916