Year	% of total merchandise exports
1960	2.20572918216609
1961	2.0041979822601395
1962	1.9509384324766736
1963	1.8052064116121918
1964	1.5360784163933172
1965	1.4515710971503655
1966	1.4990865172943428
1967	1.3885363978154521
1968	1.0286144305220593
1969	1.1363617640804873
1970	1.1697980718257943
1971	1.3955335505700543
1972	1.3677945575519923
1973	1.4686728626140382
1974	1.213518588045281
1975	1.6097742243884428
1976	1.0062996478723647
1977	1.0628556346012854
1978	1.3172144150701968
1979	0.9648296323165727
1980	2.079805867832953
1981	1.7039093187020897
1982	1.9820960447913922
1983	1.5811187010908203
1984	1.3629305569384698
1985	1.1764608113523132
1986	1.3711876525803541
1987	1.2489420839968668
1988	1.1894184099464775
1989	1.1380010652131929
1990	1.468835691600227
1991	1.1638415077434687
1992	1.872318173770511
1993	1.8054092964353619
1994	1.8689398674545448
1995	1.927357894007762
1996	2.156101681465808
1997	2.0679875724957846
1998	2.239243823730717
1999	2.0412440508596874
2000	2.663499011034394
2001	2.7726141116762957
2002	2.8737894801972033
2003	2.3388070325619132
2004	1.8805724115793085
2005	1.9460535383872324
2006	2.3311202904262305
2007	2.2307988882067953
2008	2.2118713322587684
2009	2.5085692728521813
2010	2.627746269768205
2011	2.37838456714596
2012	3.0572993787886094
2013	3.155921470543758
2014	3.414041102850094
2015	4.004881723356939
2016	5.529354753215947
2017	5.223727474838748
2018	4.5247650596933395
2019	6.08522827834359
2020	7.297436094477177