|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.93 | NA |
| 1987 | 4.87 | -1.11 % |
| 1988 | 4.73 | -2.89 % |
| 1989 | 4.93 | 4.13 % |
| 1990 | 5.02 | 1.85 % |
| 1991 | 4.98 | -0.73 % |
| 1992 | 4.95 | -0.64 % |
| 1993 | 4.93 | -0.46 % |
| 1994 | 4.84 | -1.85 % |
| 1995 | 4.84 | 0.00 % |
| 1996 | 4.82 | -0.27 % |
| 1997 | 4.89 | 1.41 % |
| 1998 | 4.74 | -2.99 % |
| 1999 | 4.74 | 0.00 % |
| 2000 | 4.77 | 0.49 % |
| 2001 | 4.78 | 0.27 % |
| 2002 | 6.19 | 29.45 % |
| 2003 | 7.92 | 28.04 % |
| 2004 | 8.28 | 4.48 % |
| 2005 | 9.00 | 8.65 % |
| 2006 | 4.84 | -46.23 % |
| 2007 | 4.74 | -1.91 % |
| 2008 | 3.96 | -16.59 % |
| 2009 | 3.96 | 0.06 % |
| 2010 | 3.96 | 0.00 % |
|
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