Year	% of merchandise imports
1974	2.71110507820475
1975	1.9890338066236926
1976	2.0978277701361194
1977	2.1933062758861146
1978	1.9370008302658765
1979	2.0452927784598596
1996	1.8067401364932782
1997	1.688596378869213
1998	1.735581812299279
1999	1.7172930385388934
2000	1.550999964411555
2001	1.62199305489792
2002	1.4553682617862047
2003	1.2693036993525952
2004	1.3269811436015022
2005	1.131016901599024
2006	1.234846476479737
2007	1.0421717149354477
2008	1.0031532094200366
2009	0.9771775109628524
2010	0.9393746843928126
2011	1.375911456540455
2012	0.8728818803932585
2013	1.1280600962813245
2014	0.8479234300632069
2015	0.9293817779190083
2016	1.0036572618024064
2017	1.0215050446151155
2018	1.0452952219300553
2019	1.141669378901325
2020	1.0797378247188345
2021	1.1130127783912236
2022	0.9534752788758065