Year	% of merchandise exports
1974	27.86826680849149
1975	28.151649930424608
1976	27.434590099206627
1977	27.205305962823974
1978	26.38150120488642
1979	23.456671334212537
1981	18.583146015585438
1996	19.141944692650586
1997	19.642673866339003
1998	20.207090829296927
1999	19.981788610891485
2000	16.792114804456425
2001	17.239314544348783
2002	16.207304801951302
2003	17.112950805847376
2006	13.961583855972295
2007	11.70859903450038
2008	13.66923201207911
2009	14.31015199539408
2010	13.438556684456389
2011	11.7044895678345
2012	12.277673324281144
2013	13.049123436663336
2014	13.07602940026436
2015	14.998393531788524
2016	15.554079091104816
2017	14.879706000001937
2018	14.785006326511981
2019	13.401647017180684
2020	13.845283459024257
2021	13.48039427295624
2022	12.946319307502979