Year	% of total exports
1995	8.056473683737098
1996	8.292867498163305
1997	9.425695663424836
1998	10.894221832179987
1999	9.269185470697213
2000	7.120103847107986
2001	8.086047486116291
2002	8.742642233413504
2003	9.878066582591934
2004	8.993778869217904
2005	7.709753846936542
2006	7.588702173578187
2007	7.111792849369823
2008	5.874260061165949
2009	7.179577196401556
2010	6.257264645843734
2011	5.6875355680931925
2012	6.261979437013279
2013	6.266073767597574
2014	6.860868743400021
2015	8.103756166667402
2016	8.860932509800772
2017	8.834305834592662
2018	8.393577431287387
2019	8.60988609064491