Year	% of total exports
1995	2.5940988435339993
1996	3.7037037037037033
1997	4.521262853304398
1998	6.701304835567101
1999	5.692654452985031
2000	3.940889883096673
2001	4.997251337604385
2002	5.951949900804892
2003	4.310105520818277
2004	3.5736804714795256
2005	2.520376241718352
2006	2.283208101376174
2007	2.192184840462312
2008	1.7603171011534
2009	2.2782524218128373
2010	1.8502147357207728
2011	1.6316823904172768
2012	2.3335125537269277
2013	2.5248270513292397
2014	2.9036888816727564
2015	3.832737521534954
2016	4.727870403104547
2017	4.209070858898538
2018	3.995765757016556
2019	4.342024721870335
2020	1.1953723219836623