Year	% of total merchandise exports
1992	96.7281206613592
1993	58.16408770610171
1994	72.08144034725504
1995	59.474360918175215
1996	53.68263212277281
1997	62.24776296197453
1998	62.327213137727114
1999	50.779709461409915
2000	40.537771521214545
2001	49.41070488044366
2002	51.953360501799494
2003	49.64818397673459
2004	60.689885706360336
2005	56.31645124625669
2006	47.096827986363195
2007	44.89217769976919
2008	42.57644713683368
2009	15.87123836120713
2010	9.571850543185006
2011	3.784674790175207
2012	6.461310116950609
2013	5.7924941717714535
2014	16.120932518733948
2015	16.28801263908936
2016	16.164176700304942
2017	13.537590753679163
2018	14.63985477058784
2019	14.140850079778433
2020	46.39427735106374