|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.57 | NA |
| 1987 | 1.40 | -45.54 % |
| 1988 | 1.96 | 39.84 % |
| 1989 | 1.98 | 1.18 % |
| 1990 | 2.06 | 3.82 % |
| 1991 | 2.13 | 3.41 % |
| 1992 | 2.14 | 0.82 % |
| 1993 | 2.22 | 3.54 % |
| 1994 | 2.27 | 2.11 % |
| 1995 | 2.24 | -1.03 % |
| 1996 | 2.24 | -0.27 % |
| 1997 | 2.29 | 2.36 % |
| 1998 | 3.37 | 46.94 % |
| 1999 | 3.37 | 0.00 % |
| 2000 | 3.45 | 2.50 % |
| 2001 | 3.48 | 0.95 % |
| 2002 | 3.55 | 2.01 % |
| 2003 | 3.60 | 1.32 % |
| 2004 | 3.89 | 8.15 % |
| 2005 | 4.11 | 5.68 % |
| 2006 | 3.25 | -21.02 % |
| 2007 | 3.44 | 5.76 % |
| 2008 | 7.10 | 106.80 % |
| 2009 | 6.36 | -10.53 % |
| 2010 | 7.15 | 12.50 % |
|
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