Year	% of merchandise exports
1995	65.38695915493983
1996	73.15390560947701
1997	67.36475868414117
1998	65.07390004078609
1999	61.6049536265989
2000	51.71647931351181
2001	53.99958577572052
2002	53.913429731545534
2004	77.29567701129973
2005	65.04331366309084
2006	55.85183185709314
2007	73.44197169030882
2008	51.53712173048256
2013	30.74770496475004
2014	34.444296046704785
2015	36.69073658059715
2016	25.824158517091224