Year	% of total merchandise exports
1992	23.800794483787442
1993	25.195185666572904
1994	16.031466890323234
1995	25.12609986003526
1996	11.770543083647514
1997	20.854723149048464
1998	29.377750696028947
1999	63.54600023804712
2000	77.56170658517024
2001	84.06137549572973
2002	82.17842886923239
2003	79.06598819307072
2004	66.99047737596435
2005	62.67917891842616
2006	72.55486873198875
2007	44.66355697816103
2008	83.67228232108587
2009	74.38648235435359
2010	73.43396742415953
2011	73.23006125088364
2012	63.76586244702852
2013	59.49746366870252
2014	68.65929463787315
2015	66.11573568875644
2016	70.73636820958484
2017	68.63493810313854
2018	71.38613826022974
2019	63.98504460379982
2020	55.955469170593375