Year	% of total exports
1995	4.684537782105198
1996	5.674748381853335
1997	5.526217348429394
1998	4.377685068242081
1999	8.43923218579077
2000	6.629810106247379
2001	8.482600515290867
2002	9.536705302777532
2003	10.654516369779262
2004	13.10556299637971
2005	7.8858010640334655
2006	5.728517047631657
2007	4.901742508925958
2008	4.1970255742746705
2009	3.413851738651535
2010	3.6805884448326034
2011	2.2440202614904132
2012	2.5327492519666257
2013	2.3649320378031757
2014	2.1923236739571235
2015	3.070631455519314
2016	2.5420864246996344
2017	3.150444802112768
2018	4.7704585031464815
2019	4.285671282394187
2020	2.675163416672854