Year	% of total exports
1995	8.216319775851204
1996	8.390598225939673
1997	8.332583071748134
1998	8.177841748400258
1999	8.138194565318704
2000	7.556769014912161
2001	7.29508294295312
2002	7.08034970843995
2003	6.833635872334463
2004	6.496900616413557
2005	6.688860770093746
2006	6.24957353728527
2007	6.029578686748341
2009	6.147516546996354
2010	5.49721115480775
2012	5.004755061675399
2013	5.104366756265607
2014	5.142241023710639
2015	5.518159381435319
2016	5.579711635178055
2017	5.607497132477379
2018	5.559597125540801
2019	5.675007659930746