|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.41 | NA |
| 1987 | 2.54 | 5.42 % |
| 1988 | 2.71 | 6.55 % |
| 1989 | 2.87 | 5.68 % |
| 1990 | 2.92 | 2.04 % |
| 1991 | 2.96 | 1.12 % |
| 1992 | 3.05 | 3.26 % |
| 1993 | 3.08 | 1.04 % |
| 1994 | 3.15 | 2.27 % |
| 1995 | 3.11 | -1.48 % |
| 1996 | 3.10 | -0.27 % |
| 1997 | 3.11 | 0.27 % |
| 1998 | 3.04 | -2.26 % |
| 1999 | 3.04 | 0.00 % |
| 2000 | 3.17 | 4.33 % |
| 2001 | 3.13 | -1.20 % |
| 2002 | 3.13 | 0.00 % |
| 2003 | 3.15 | 0.75 % |
| 2004 | 3.26 | 3.42 % |
| 2005 | 3.44 | 5.29 % |
| 2006 | 3.27 | -4.76 % |
| 2007 | 3.32 | 1.43 % |
| 2008 | 3.34 | 0.70 % |
| 2009 | 1.59 | -52.45 % |
| 2010 | 1.59 | 0.00 % |
|
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