Year	% of total exports
1996	2.392140111063648
1997	2.3434045689019896
1998	3.2487493219215233
1999	3.1304456061737618
2000	3.0667828739514107
2001	3.810814881759301
2002	4.54442275389295
2003	4.405737704918033
2004	7.427586731202959
2005	8.309482475484446
2006	8.309378554441112
2007	8.662802058229662
2008	8.149854510184287
2009	8.350614439324117
2010	7.155700484564045
2011	6.462487447998852
2012	6.921263118960655
2013	7.257798064097701
2014	3.459869185158017
2015	3.4724833897455185
2016	3.7450008694140147
2017	3.742770280290672
2018	3.834259932068202
2019	4.083013405500661
2020	1.1316652115900967