Year	% of total exports
1995	6.492228998622861
1996	4.174493842621582
1997	4.024468770122344
1998	8.700481303221029
1999	8.186798696095806
2000	7.010773095289939
2001	7.695922101640916
2002	20.18394889920607
2003	18.438248355049268
2004	16.938068040558296
2005	13.711189676950461
2006	12.85913006470828
2007	13.824666505057579
2008	8.982940464518562
2009	11.007345363140422
2010	8.48634289053482
2011	4.3041872806774695
2012	4.829308630448149
2013	5.270053652232669
2014	4.228466309325722
2015	5.433036982672368
2016	6.761988894685643
2017	6.793468522074786
2018	6.818774295023994
2019	7.189049429726426
2020	0.6408929386035905