Year	% of merchandise imports
1977	3.820660196817353
1978	11.894693611295672
1979	5.273363641229612
1980	5.928039141912164
1981	6.920660227850922
1982	5.34774085355079
1983	7.3220611264051065
1984	6.8607608905134345
1985	5.1531294922646325
1986	3.958415850117307
1987	3.699341490184418
1989	3.9485808177812896
1990	5.374359471109988
1991	4.250814574873954
1992	3.858723526025206
1993	4.800682822656487
1995	3.367964076573237
1996	4.2935839277784975
1997	5.314408652640866
1998	5.388263285085127
2000	6.065280610413395
2001	6.445755069946153
2002	5.648043432798054
2003	7.464855209344515
2004	8.469707122280466
2005	7.3467087693239534
2006	7.0104951220934995
2007	7.830695236365065
2008	7.351799472196791
2009	6.480203206677211
2010	8.111120771167723
2011	7.305614384399964
2012	7.589858824311399
2013	7.781248194695175
2015	6.412569310268308