Year	% of total exports
1995	6.5293307707649895
1996	4.52034749741315
1997	4.652560752636874
1998	4.5840997338447735
1999	4.883204749822406
2000	4.539568077096392
2001	5.055360983305935
2002	5.5540278222763435
2003	4.586958223353752
2004	4.810059871916463
2005	4.747081605094539
2006	4.510825405411678
2007	4.864584072650846
2008	4.81850088680257
2009	5.54143134358829
2010	5.413763430812226
2011	5.5274979114389176
2012	5.839805318725963