Year	% of total merchandise exports
1993	7.797635101382819
1994	47.30114750267553
1995	43.645988115947645
1996	46.048705994811385
1997	47.345155425673354
1998	36.71611639270667
1999	19.372662014779273
2000	15.473146102366012
2001	18.62719499779322
2002	19.750274049170063
2003	17.14657179755766
2004	18.113339996772144
2005	19.132251982594102
2006	22.495845170876738
2007	25.482680945856224
2008	26.58774728940832
2009	24.30798077440606
2010	27.915277562981256
2011	28.771573817148578
2012	30.783869879324165
2013	32.54091536931709
2014	33.53814949412093
2015	25.24686274937632
2016	23.801353600335652
2017	26.23175578773752
2018	24.68825037216203
2019	25.605890919415703
2020	24.259007829372763