Year	% of total exports
1995	16.184077511763544
1996	18.303245271820234
1997	16.86145307807883
1998	14.232937754242133
1999	13.140237922067938
2000	11.93645124650665
2001	11.85723873691565
2002	9.454543402819025
2003	8.362291217942856
2004	6.261942501726618
2005	6.502383788240729
2006	5.844611818427219
2007	5.146386524217934
2008	5.9539385882279205
2009	7.14664117626444
2010	6.15072863604026
2011	5.915390054905397
2012	5.557996051981538
2013	5.7542628824461834
2014	6.085271234868422
2015	6.326153023192741
2016	6.729707125927548
2017	6.854682150721205
2018	7.147756733623381
2019	7.645650467035435
2020	3.4034087650554006