Year	% of total exports
1995	12.386914781909878
1996	11.736537111173465
1997	11.679331818250645
1998	12.941000340471415
1999	13.041275054567475
2000	13.314189055711068
2001	12.608034065960341
2002	12.485008856390847
2003	13.04292415716319
2004	12.444197110111265
2005	12.424920384575694
2006	13.25367778994641
2007	11.886215172744532
2008	11.854807292054423