Year	% of total merchandise exports
1997	1.0778971246871853
1998	1.0317850424955595
1999	0.8524879207544251
2000	1.0562024556921603
2001	1.1178079588137952
2002	0.9997587029800159
2003	0.8657180913486363
2004	0.8811680478869384
2005	0.911683089772853
2006	0.9443041348791301
2007	1.0313880352942812
2008	1.1507814752297456
2009	1.1185961500429749
2010	1.4038666987157475
2011	1.4317324666753541
2012	1.5264851569221394
2013	1.8632711165359306
2014	1.685423894941041
2015	1.5502808744560164
2016	1.5329212390803097
2017	1.7296287947026034
2018	1.5707782016430174
2019	1.5545322132079187
2020	1.5499531643851276