Year	% of total exports
1995	9.7190715811297
1996	10.049879868928523
1997	11.03756123079257
1998	12.258262830389477
1999	12.20403008482701
2000	9.686413669764617
2001	10.84051653445135
2002	11.280158553739914
2003	13.600724124527062
2004	12.776029073003969
2005	11.163608780849458
2006	10.288889762624889
2007	9.627788151768808
2008	7.845620683773485
2009	9.58860326198026
2010	8.708755034505726
2011	7.974648179873048
2012	8.966050079177727
2013	8.872037799603426
2014	9.59207489928028
2015	10.870100466613112
2016	11.053788885538918
2017	10.67578945934562
2018	10.617406399023709
2019	11.592115549601381