Year	% of total merchandise exports
1992	0.663737737500537
1993	4.888153234081785
1994	4.002408766991275
1995	3.7925241966361614
1996	3.2157397489396375
1997	20.12155157717756
1998	29.755686604886268
1999	18.541606995434098
2000	10.247400262548503
2001	13.119108701686017
2002	14.058254678613801
2003	16.596647554392323
2004	5.529180997866528
2005	4.420075865554504
2006	6.249130568462484
2007	5.130192615444437
2008	5.83329846910436
2009	19.677801372188206
2010	53.02386659602336
2011	70.88455744893231
2012	80.52397638396003
2013	77.85375206612203
2014	81.35718052971514
2015	85.62585994687113
2016	75.60189734951717
2017	83.03088960539394
2018	84.686994155071
2019	82.5715124625137
2020	76.97397130620851