Year	% of total merchandise exports
1993	74.67989037332157
1994	65.42212513678497
1995	48.28410675772523
1996	46.26539622878077
1997	43.34186061299893
1998	37.18922889949028
1999	24.692622066291072
2000	24.564534291592892
2001	26.00346721742589
2002	19.403804701890518
2003	18.972100579853887
2004	17.877816479782528
2005	19.4776049894047
2006	21.73979975402756
2007	34.9152632135815
2008	36.82121851143766
2009	35.63542598463167
2010	38.42762996574317
2011	34.98383974906643
2012	37.392747719933936
2013	42.909986419611215
2014	35.4642719485697
2015	30.99663379624782
2016	39.733831511023645
2017	45.918961932322865
2018	41.524449481193436
2019	40.73289302914274
2020	37.5120017258728