Year	% of merchandise imports
1992	61.63330488885897
1996	59.83262268178798
1997	59.40599520778328
1998	62.83417885429275
1999	64.21293314459685
2000	63.336607374225494
2001	61.358263654158065
2002	66.91235228240454
2004	70.75369284306564
2005	65.52233029828265
2006	65.11322798492787
2007	69.47469845568384