Year	% of total exports
1995	2.0611310575407003
1996	1.4169809164666896
1997	1.7385387557781955
1998	2.4004934556813584
1999	3.152582715541287
2000	3.0966958045535944
2001	2.7662087636740758
2002	3.1047784629753172
2003	3.2415125311141555
2004	3.148271143496484
2005	3.1296812328091734
2006	2.9445571903167007
2007	2.897497777140841
2008	2.7007136192254295
2009	3.152966668494095
2010	2.387809963227135
2011	2.1827081218424116
2012	2.363853464567365
2013	2.4303069689098225
2014	2.810574837366625
2015	2.7971001951571304
2016	3.042969620083812
2017	2.457633964399001
2018	2.3117078325604385
2019	2.367166148663006
2020	1.3008931652011688