Year	% of merchandise imports
1992	22.786907730060925
1996	13.914499007823512
1997	15.991150791330803
1998	15.798212082642873
1999	17.835948872871587
2000	20.08300451922769
2001	20.695975998188686
2002	16.934226581649252
2004	14.983373195309493
2005	19.400056798013583
2006	19.700362969969692
2007	17.21849084819048