Year	% of merchandise imports
1977	17.60590378869051
1978	20.586249020656467
1979	25.309706398138342
1980	23.626375871311073
1981	20.18779306913951
1982	25.971426270979592
1983	19.964931693624198
1984	28.98846850544353
1985	24.25271060511307
1986	20.86897499594544
1987	24.190709655531435
1989	24.13737375538165
1990	18.955035233949406
1991	17.342821159233676
1992	18.26818796255364
1993	15.929949792904871
1995	17.304041042395703
1996	17.03077448207806
1997	16.862033511438206
1998	15.28683545483323
2000	16.476201793380756
2001	17.390089131501078
2002	14.601276570175129
2003	19.188389462594664
2004	15.609630544298797
2005	13.897219861344091
2006	16.699624522071808
2007	22.462129697445416
2008	18.32298531495133
2009	18.67805643047493
2010	17.424048111991432
2011	19.493792523626674
2012	14.470423824369544
2013	16.865777864116534
2015	16.561579168916005