|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.55 | NA |
| 1987 | 3.58 | 40.13 % |
| 1988 | | NA |
| 1989 | 2.04 | NA |
| 1990 | 5.62 | 174.90 % |
| 1991 | | NA |
| 1992 | 6.11 | NA |
| 1993 | 6.44 | 5.29 % |
| 1994 | 6.38 | -0.95 % |
| 1995 | 6.44 | 0.96 % |
| 1996 | 6.46 | 0.36 % |
| 1997 | 6.48 | 0.27 % |
| 1998 | 6.48 | 0.00 % |
| 1999 | 6.58 | 1.58 % |
| 2000 | 6.56 | -0.27 % |
| 2001 | 6.58 | 0.27 % |
| 2002 | 7.89 | 19.88 % |
| 2003 | 8.15 | 3.37 % |
| 2004 | 8.42 | 3.23 % |
| 2005 | 8.24 | -2.15 % |
| 2006 | 8.34 | 1.24 % |
| 2007 | 11.06 | 32.60 % |
| 2008 | 11.18 | 1.11 % |
| 2009 | 10.71 | -4.20 % |
| 2010 | 11.12 | 3.82 % |
|
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