Year	% of merchandise exports
1998	7.782475603709781
1999	9.063457845566983
2000	19.812141738321845
2001	17.778153136829513
2002	20.25221196791587
2003	22.061195494476728
2004	26.889893668125207
2005	34.78134404189584
2006	38.31545746176995
2007	35.068005907582226
2008	37.1188986398407
2009	37.44466887987001
2010	27.74925133572391
2011	35.04875289096666
2012	35.58599898154437
2013	32.37241774194698
2014	33.492051592757896
2015	29.138705996497137
2016	20.59956653157431
2017	23.567385217546164
2018	25.13568895847658
2019	20.69851817634275
2020	12.612946389206018