Year	% of merchandise exports
1973	7.590897917050768
1974	16.344525965451844
1975	22.583782973914182
1976	30.958921978751775
1977	27.325733220951324
1978	24.444148000609665
1979	23.07891783128071
1980	42.33074950380622
1981	32.88611407581728
1982	31.361878563328915
1983	31.920317702096913
1985	25.526874571818208
1986	20.719548536893072
1987	30.106124901235308
1991	29.221367849536485
1992	29.408994977483545
1993	36.398271089212116
1994	33.58539699850325
1995	31.769565017860042
1996	25.27234314419178
1997	28.767298386529394
1998	23.860213487606092
1999	18.78197149481678
2000	11.964729670080397
2001	13.898877237094807
2002	24.357810865113173
2003	25.550889086201018
2004	24.666500087731034
2005	24.885995993266928
2006	31.62085402764522
2007	30.603902554411867
2008	34.275615287049256
2009	36.81468464026247
2010	47.90257271351155
2011	56.629092285196826
2012	47.80843887567697
2013	41.740816214045324
2014	45.8074356067668
2015	49.86485160946679
2016	59.223059003234724
2017	60.59614002006166
2018	59.34202620809509
2019	52.17280895655413
2020	45.88678545020327