|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.66 | NA |
| 1987 | 5.29 | 13.40 % |
| 1988 | 6.20 | 17.23 % |
| 1989 | 7.39 | 19.31 % |
| 1990 | 8.39 | 13.55 % |
| 1991 | 6.85 | -18.45 % |
| 1992 | 9.77 | 42.64 % |
| 1993 | 12.81 | 31.17 % |
| 1994 | 14.49 | 13.12 % |
| 1995 | 12.28 | -15.25 % |
| 1996 | 11.61 | -5.44 % |
| 1997 | 8.70 | -25.07 % |
| 1998 | 7.66 | -12.00 % |
| 1999 | 9.00 | 17.49 % |
| 2000 | 9.72 | 8.04 % |
| 2001 | 10.73 | 10.37 % |
| 2002 | 8.16 | -23.95 % |
| 2003 | 8.63 | 5.81 % |
| 2004 | 8.75 | 1.34 % |
| 2005 | 8.23 | -5.96 % |
| 2006 | 7.88 | -4.26 % |
| 2007 | 8.62 | 9.50 % |
| 2008 | 8.55 | -0.87 % |
| 2009 | 8.96 | 4.78 % |
| 2010 | 9.18 | 2.53 % |
|
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