Year	% of merchandise imports
1975	34.401922781292086
1976	35.80306679857804
1977	33.73361394270131
1978	35.11248926338577
1979	33.1777982640823
1980	30.25996249348937
1981	30.36522705387058
1982	27.488192465781587
1983	29.979738941325174
1984	30.272514691849643
1985	28.527450842707523
1986	28.86624783261621
1987	27.399167941215584
2000	23.225750307067475
2001	21.59245879687704
2002	19.7604417085277
2003	19.76820721794155
2004	21.969995944887085
2005	20.48865796114285
2006	22.051145661906496
2007	21.96470465111418
2008	28.558831522798467
2009	33.719725852243016
2010	29.135348840768476
2011	29.80801687462996
2012	29.018360691535545
2013	29.75255167908794
2014	27.182006286753086