Year	% of total exports
1995	19.415634578380995
1996	22.707401193215297
1997	20.9715384629076
1998	23.35735959970659
1999	24.689385346419765
2000	25.760131403362035
2001	31.065192555389793
2002	30.002010583607415
2003	30.825748002988906
2004	31.313979491304544
2005	32.7022972875271
2006	35.53941895426675
2007	34.68547497662186
2008	29.0797222179883
2009	33.25164489344375
2010	30.23058229869185
2011	28.579224304145328
2012	26.256529214176773
2013	25.145331587473578
2014	25.045934365952938
2015	23.323696315160795
2016	23.03285094442144
2017	23.395690394641402
2018	22.009821226176527
2019	22.586733226859497
2020	12.022791927839881
