Year	% of merchandise imports
1966	4.950010099522735
1968	4.911383905615483
1969	5.430460601385338
1970	5.858443311590455
1971	5.097795392465251
1972	5.59655532944737
1973	4.768725702884808
1974	4.742498541076932
1975	3.328574816217008
1976	3.315211193787087
1977	4.337162834731549
1997	3.8410602906470053
1998	3.2426455222082375
1999	3.088276610875838
2000	2.575163372763232
2001	2.4106067458910845
2002	2.280672877270614
2003	2.73863237514404
2004	2.705760394044507
2005	2.4461210066353987
2006	2.1950214891678574
2007	1.8721062239696602
2008	1.672879279499484
2009	1.9875306971020277
2010	2.0552906463058673
2011	2.0408939610598047
2013	2.017352216851871
2014	1.7211509081639564
2015	1.9760184580966773
2016	1.8440964011225351
2017	1.744518536688118
2018	1.947239313785606
2019	1.9397193919398195