Year	% of total exports
1995	9.769198984711647
1996	8.647421757616444
1997	10.727699043429544
1998	19.226563129999526
1999	20.432200550837862
2000	19.486268601631558
2001	17.41229814949973
2002	18.455752457210348
2003	20.46012158063467
2004	20.055466542895182
2005	18.956278381681003
2006	16.267191041417572
2007	15.898520605304977
2008	15.93630646875916
2009	18.366707249713766
2010	15.045117568879727
2011	12.626681880197266
2012	12.169304880120867
2013	12.256754833775057
2014	12.238711765877074
2015	10.986865645536863
2016	12.023345232039258
2017	11.69452193280879
2018	11.628713847245436
2019	10.971542335008506
2020	4.5319715163567