Year	% of total merchandise imports
1990	22.03344465470132
1991	26.03658139186959
1992	21.209395610287814
1993	23.03231516205686
1994	28.681605697167008
1995	32.67970052921655
1996	22.578429320030327
1997	26.875729698789485
1998	29.458725025271228
1999	37.72187059890803
2000	37.368437523971835
2001	38.43046723109869
2002	43.05589736998082
2003	41.10469315862544
2004	37.63640892608703
2005	40.605736258296574
2006	26.404287111404056
2007	25.989797687775468
2008	32.14922624031822
2009	23.20940954911732
2010	26.402071360654556
2011	26.71416047051791
2012	22.60827119244581
2013	31.43680770977903
2014	15.921872769419739
2015	38.32345643997145
2016	42.974584375672414
2017	41.19633535601358
2018	44.95920638582117
2019	40.58573369455819
2020	40.44978667394874