Year	% of merchandise exports
1978	1.2136126669469582
1979	1.874415957417517
1983	5.869115892544736
1991	1.943194294853191
1992	3.674938237308288
1993	7.563202610603689
1999	0.8840488020665683
2000	0.5714378309319447
2001	0.8119916214036454
2002	0.6426473002139834
2003	0.8411625913908385
2004	0.8522795209576677
2005	1.0900231829689446
2006	0.8838364905111301
2007	0.8892052576083392
2008	0.8169962134556813
2009	1.139104792113669
2010	1.3878470371848974
2011	1.3269347466017516
2012	1.4834672906610449
2013	1.2304673044709427
2014	1.4770158715270072
2015	1.911552852727014
2016	2.245931797236596
2017	2.0305120869947983
2018	4.206221302257946
2019	3.0015708952171796
2020	3.5081236824774544
2021	3.1330485750534396
2022	2.989379889803286
