|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.33 | NA |
| 1987 | 4.68 | 7.92 % |
| 1988 | 4.66 | -0.31 % |
| 1989 | 7.23 | 55.09 % |
| 1990 | 5.20 | -28.16 % |
| 1991 | 4.97 | -4.29 % |
| 1992 | 6.38 | 28.30 % |
| 1993 | 6.36 | -0.39 % |
| 1994 | 9.07 | 42.65 % |
| 1995 | 11.59 | 27.78 % |
| 1996 | 10.40 | -10.20 % |
| 1997 | 12.17 | 16.95 % |
| 1998 | 14.00 | 15.07 % |
| 1999 | 16.29 | 16.35 % |
| 2000 | 14.91 | -8.49 % |
| 2001 | 13.11 | -12.07 % |
| 2002 | 15.47 | 18.03 % |
| 2003 | 15.61 | 0.92 % |
| 2004 | 18.12 | 16.04 % |
| 2005 | 16.37 | -9.66 % |
| 2006 | 17.23 | 5.25 % |
| 2007 | 18.39 | 6.76 % |
| 2008 | 20.11 | 9.35 % |
| 2009 | 20.05 | -0.32 % |
| 2010 | 20.13 | 0.41 % |
|
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