Year	% of total exports
1995	8.188274816907718
1996	8.200167313082588
1997	8.026194687416497
1998	8.04479280979583
1999	7.928234877974191
2000	7.268479586594452
2001	6.9391384568626115
2002	6.789580038459353
2003	6.541176985115422
2004	6.214502047116453
2005	6.580238351262621
2006	6.095340822286794
2007	5.938564493432267
2009	6.217708962655348
2010	5.505013978374559
2012	5.099188098482716
2013	5.280969676381598
2014	5.369723311779612
2015	5.724239811283668
2016	5.716424302197222
2017	5.759135087254458
2018	5.720612383279971
2019	5.909258967311601