Year	% of total merchandise exports
1992	91.42920417325814
1993	81.94044426000858
1994	40.458705542878974
1995	35.17817193361492
1996	42.72435804401736
1997	32.49117885504486
1998	42.443139035360986
1999	41.44948164903706
2000	9.090047335820566
2001	9.091626057802847
2002	9.100112564361492
2003	9.076736703741984
2004	9.173563170213939
2005	9.188464748439895
2006	9.194958685564167
2007	9.194958650386074
2008	9.194958643184467
2009	9.19495869708973
2010	9.194958735025327
2011	9.194958796504872
2012	9.194958729638534
2013	9.19495865677882
2014	9.194958640648734
2015	9.194958815934983
2016	5.837765343445424
2017	4.701842428982009
2018	5.270046729263381
2019	4.582963284597959
2020	5.0170826569210965