Year	% of merchandise exports
1974	13.40480125824449
1978	18.623365172021042
1979	21.92313092329114
1980	23.781492729880974
1981	26.11791418020494
1997	5.5676589485720545
1999	8.10841620583554
2000	9.258557145777647
2001	9.41700376941651
2002	10.258635505980855
2003	9.554408783344694
2004	8.058879139182778
2005	9.727188703644838
2006	10.159963302837014
2007	26.946280039253608
2008	8.758259090974532
2009	27.363783529896846
2010	27.12110283707823
2011	27.836512992844415
2012	27.01223984978987
2013	25.885055842719638
2014	27.204871090891007
2015	24.920121774108555
2016	23.742389242240428
2017	25.326054228202768
2018	24.868969771266304
2019	24.861952267929016
2020	23.34401122747338
2021	23.71128128359522
2022	27.585625882837316
2023	9.45816554436717