Year	% of total exports
1995	6.0622039864283614
1996	5.879785120580139
1997	5.540367781190203
1998	6.594118046702342
1999	7.0533208606174
2000	7.636305207623037
2001	7.706569310781697
2002	7.310792665618339
2003	5.568461499802324
2004	5.166057849895369
2005	4.250940606047457
2006	3.4617115898769133
2007	3.895397886512602
2008	3.5641868018476837
2009	4.279759092848839
2010	4.008299387385982
2011	3.4414556941225576
2012	3.9396485345156544
2013	4.527991609933001
2014	5.137725359122324
2015	7.262106358009551
2016	8.60674491760498
2017	8.956821500513447
2018	8.970208007891374
2019	8.791279246556591
2020	3.1510712077206646