Year	% of total exports
1995	9.839233940083197
1996	9.805851934959911
1997	11.057685220077905
1998	12.298363529188357
1999	10.193839185783878
2000	7.656864716586584
2001	8.35989129018171
2002	8.34377856546222
2003	7.6522146420767845
2004	8.159529863719143
2005	7.2331435428828685
2006	7.686322374496992
2007	7.841187951492707
2008	7.294780144720669
2009	8.312559366295682
2010	7.942099212279382
2011	6.730796792871542
2012	7.673556086732795
2013	7.92547175852404
2014	8.79182875836292
2015	10.426574581362514
2016	11.077971499492117
2017	10.928010833530125
2018	10.828895485237247
2019	11.159960100833585