Year	% of total exports
1995	10.217806776225064
1996	10.466229304060889
1997	10.169730488799077
1998	10.727550758850086
1999	11.340371666380337
2000	10.228281046267986
2001	8.856965227686501
2002	5.906141905728888
2003	6.715981268644784
2004	6.690603600601149
2005	6.8433541520009395
2006	7.199902644166674
2007	7.6071160779308356
2008	6.46330713288746
2009	6.715850376679569
2010	6.909259851833665
2011	6.205905960251223
2012	6.005464449199704
2013	5.801929548895435
2014	6.897874142767445
2015	7.7703522207416595
2016	7.65710936693155
2017	7.8605248412010065
2018	7.776450365414298
2019	7.070639140220327
2020	2.641329465749518