Year	% of total imports
1995	2.7420728148466584
1996	5.415121727423831
1997	5.121235050512389
1998	5.294311010294735
1999	7.365389613327568
2000	5.053981753383118
2001	3.8280093929569685
2002	4.7247585717689455
2003	5.181770477904464
2004	5.078301923102835
