Year	% of total exports
1995	6.126697627325278
1996	5.980789062368953
1997	6.437822791178828
1998	7.058017099755993
1999	5.910248549736882
2000	5.0615731206994905
2001	5.283315787406444
2002	5.4109511953808695
2003	4.927395294025118
2004	4.039832929890439
2005	3.2991000041938836
2006	2.7705227540350816
2007	2.8782312904077663
2008	3.3183643841831443
2009	3.7362022539734974
2010	2.893849153925182
2011	2.9018256139045215
2012	3.5251003910049143
2013	3.597013343044433
2014	3.7640034763261006
2015	4.827553065310294
2016	5.3971622936419
2017	5.269037930309061
2018	4.65241781550272
2019	4.244399753718927
2020	1.299340682862815