Year	% of total exports
1995	4.911204947373346
1996	5.145731653356904
1997	3.8902784747961534
1998	4.377714680028433
1999	5.286247140128099
2000	7.2897680319184515
2001	10.374712424570102
2002	10.005121902530902
2003	11.778101514407181
2004	11.641559097897122
2005	10.830690420590377
2006	9.40351080783006
2007	11.728685834247422
2008	11.164151402544972
2009	9.173534660428126
2010	8.529168072131338
2011	7.7737025812201805
2012	4.303770115420836
2013	5.395424545862714
2014	6.601684075811984
2015	5.903129905692561
2016	6.131514531443215
2017	6.046838541507751
2018	5.518089600104547