Year	% of merchandise imports
1977	66.14064610166086
1978	65.13691930348462
1979	65.13997355800495
2000	62.46166796432533
2001	62.85399416780602
2002	63.35491439933211
2003	62.85139528717216
2004	64.09130995722967
2005	63.640698047247156
2006	62.611234986930974
2007	62.90879665633285
2008	62.19693070103218
2009	64.04403162274726
2010	63.016182874025716
2011	58.54370054144919
2012	60.17431536403989
2013	59.76503168244795
2014	60.06281905335338
2015	63.87319071784496
2016	64.35922865662366
2017	62.89154387608663
2018	61.50443769826929
2019	63.6843679123512
2020	63.64942967436857
2021	60.06754105965157
2022	55.37678877182817