Year	% of total merchandise exports
1995	31.11122837341867
1996	28.012126072205763
1997	22.247817371593218
1998	22.659881647670336
1999	17.192986802532946
2000	12.28182654730377
2001	17.405418960520517
2002	17.144838875057758
2003	24.122438114792285
2004	26.721459393686537
2005	19.316452196161098
2006	19.044227389046313
2007	24.583880092374965
2008	31.105160852454244
2009	36.285155371075035
2010	33.06146227321247
2011	39.22672238152607
2012	35.86259140717299
2013	34.492401005553106
2014	14.79816847277346
2015	10.09968224320686
2016	14.959130574859126
2017	14.201089192572963
2018	9.729979425905775
2019	19.0169006275047
2020	11.509736294302739