|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.84 | NA |
| 1987 | 1.70 | -7.51 % |
| 1988 | 2.04 | 19.98 % |
| 1989 | 2.14 | 5.10 % |
| 1990 | 2.30 | 7.57 % |
| 1991 | 2.73 | 18.56 % |
| 1992 | 3.18 | 16.50 % |
| 1993 | 3.02 | -4.87 % |
| 1994 | 3.07 | 1.35 % |
| 1995 | 3.00 | -2.00 % |
| 1996 | 3.04 | 1.08 % |
| 1997 | 3.05 | 0.27 % |
| 1998 | 4.17 | 36.91 % |
| 1999 | 4.17 | 0.00 % |
| 2000 | 4.24 | 1.68 % |
| 2001 | 4.82 | 13.77 % |
| 2002 | 4.99 | 3.39 % |
| 2003 | 5.01 | 0.41 % |
| 2004 | 5.10 | 1.76 % |
| 2005 | 5.25 | 3.08 % |
| 2006 | 5.11 | -2.72 % |
| 2007 | 5.21 | 2.00 % |
| 2008 | 5.27 | 1.18 % |
| 2009 | 7.42 | 40.70 % |
| 2010 | 7.42 | 0.00 % |
|
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