Year	% of total exports
1995	7.178641297314485
1996	6.8000998579956455
1997	9.453844577897833
1998	11.426754076600643
1999	7.089522662483775
2000	3.9184342925536746
2001	5.312234562244044
2002	5.57256224623651
2003	4.709379176563258
2004	4.210513336988964
2005	3.017823449571036
2006	2.9707719226663456
2007	3.240965770842785
2008	2.7588967093342798
2009	3.9598493206098633
2010	3.408026612982867
2011	2.90593402652441
2012	3.1721416219357943
2013	3.4067337983618793
2014	3.9374595074111722
2015	5.621300128653225
2016	6.833045390733662
2017	6.411950850946275
2018	5.062982557423741
2019	5.465827500705979