Year	% of total merchandise imports
1997	88.19791108315108
1998	88.71509825289692
1999	88.21874863277202
2000	87.90686133112628
2001	88.1209889492561
2002	88.15857089237879
2003	87.9792221660914
2004	87.27234118693323
2005	86.60686258082539
2006	85.87031745517949
2007	85.25245038154414
2008	85.01219907077952
2009	85.78189757710368
2010	84.59023983791575
2011	83.4317811079509
2012	84.25743984733867
2013	84.36378258950715
2014	82.90061130570862
2015	82.51126476872686
2016	82.45030365805766
2017	82.19094603294072
2018	82.59434570202683
2019	82.92112478092531
2020	82.77864446270435