Year	% of total exports
2000	6.129732034295771
2001	5.522644815682602
2002	4.814274281131546
2003	5.368428308850083
2004	5.4889713787228525
2005	4.890165426718982
2006	4.80439107778015
2007	4.817635011142039
2008	4.264144750954056
2012	4.559649060845174
2013	4.671342707144156
2014	4.997355039376044
2015	5.791290361404985
2016	6.169014764693864
2017	6.468573192571941
2018	6.228757700235724
2019	6.445276123799176