Year	% of total exports
1995	3.6620083506857344
1996	4.112126191265232
1997	4.700187638709654
1998	6.851852089414875
1999	3.974475990112142
2000	3.2411232792578732
2001	3.7362197032276816
2002	4.37621315997186
2003	3.747060208777671
2004	2.983922234011922
2005	2.7815983685153833
2006	3.0839549842519336
2007	3.1339581482641985
2008	2.994417154098751
2009	3.467057343818827
2010	2.508371519445867
2011	2.2927207556642317
2012	2.3897519134208016
2013	2.5633824249173687
2014	2.780481469303577
2015	3.3661810725437746
2016	4.841614682757701
2017	5.618104558712896
2018	4.653613268671401
2019	4.229283508855856