Year	% of total exports
1995	11.511600530972455
2000	10.140441934589514
2001	10.176301669150755
2002	9.517841503880161
2003	10.718541406773888
2004	10.096975563846279
2005	9.19860614431204
2006	9.093917086316388
2007	9.17249486563831
2008	7.891757791213947
2012	7.259550189966583
2013	6.884841049512334
2014	7.212440557994583
2015	7.93665662821302
2016	7.9369787802909055
2017	8.35736343922055
2018	8.403848942637232
2019	8.862325097643211