Year	% of total merchandise exports
1992	12.63893299460146
1993	12.591996000777627
1994	15.195919450423093
1995	16.828296831193555
1996	9.725793731581058
1997	38.69548738327954
1998	47.803153428464185
1999	48.9647577092511
2000	44.95330591003776
2001	54.9214883689248
2002	49.92509051108575
2003	57.44720563033544
2004	49.55269506295601
2005	40.1864196510474
2006	32.888591935279635
2007	14.842951518376566
2008	42.57823859288276
2009	50.14179309903265
2010	58.68826818535305
2011	53.64986442360619
2012	36.941115431110646
2013	45.54245480480939
2014	43.04952239133968
2015	50.10160263268627
2016	53.13998090254374
2017	43.76184088089687
2018	44.37499886636566
2019	45.970556353055166
2020	53.8997108740353