Year	% of total exports
1995	7.478263687346679
1996	8.200340837740798
1997	10.367304783419016
1998	11.239656488464643
1999	11.47283073062872
2000	9.839811611354694
2001	11.703262046819695
2002	12.037981414837155
2003	12.465407824045744
2004	12.11229848357676
2005	10.720051610920143
2006	10.193272647694952
2007	9.165026342250815
2008	8.169554319742005
2009	8.965347336323797
2010	7.738630785313718
2011	7.833680835294975
2012	8.800805329584009
2013	9.074693140621036
2014	9.146908157988703
2015	10.287898460341927
2016	10.693195197600291
2017	10.276106427546184
2018	11.169364276705204
2019	12.298889608811317