Year	% of merchandise imports
1964	63.03735920402993
1970	60.96683376800529
1971	65.91101329047477
1972	69.15733227886024
1973	67.60614397804287
1974	60.33755164178164
1975	61.56466557434204
1976	61.9713466550708
1977	62.611679814410046
1978	56.58980837245851
1979	59.105904327488034
1980	61.35545705157709
1995	45.810992481929695
1996	48.615140833426345
1997	47.309899674927244
1998	46.28993975637158
1999	55.03409910598911
2000	51.19706684967858
2001	45.76016677699922
2002	47.99268175122495
2003	48.7399315135068
2004	42.23746997903823
2005	43.43382801060957
2006	48.67618135822987
2007	49.35675292068627
2008	53.57570809540319
2009	54.07295285361088
2010	51.47404774940362
2011	43.401440249398185
2012	37.64971362234211
2013	37.457655262277434
2014	36.4718561100072
2015	34.30226899605168
2016	37.53963834543637
2017	33.16747559609393
2018	48.64091891481434
2019	50.12007119961628
2020	54.94147826257665
2021	36.65728209933178