|
| year | imports | change |
| 1984 | 9.89 | NA |
| 1985 | 10.06 | 1.72 % |
| 1986 | 10.46 | 3.97 % |
| 1987 | 12.74 | 21.80 % |
| 1988 | 13.13 | 3.06 % |
| 1989 | 13.16 | 0.25 % |
| 1990 | 13.95 | 6.00 % |
| 1991 | 17.64 | 26.42 % |
| 1992 | 16.96 | -3.87 % |
| 1993 | 19.64 | 15.83 % |
| 1994 | 19.04 | -3.07 % |
| 1995 | 20.34 | 6.84 % |
| 1996 | 25.39 | 24.81 % |
| 1997 | 24.47 | -3.61 % |
| 1998 | 22.15 | -9.48 % |
| 1999 | 23.45 | 5.88 % |
| 2000 | 24.09 | 2.70 % |
| 2001 | 22.34 | -7.25 % |
| 2002 | 22.44 | 0.43 % |
| 2003 | 19.20 | -14.45 % |
| 2004 | 19.71 | 2.70 % |
| 2005 | 17.86 | -9.40 % |
| 2006 | 17.19 | -3.74 % |
| 2007 | 17.86 | 3.88 % |
| 2008 | 17.40 | -2.58 % |
| 2009 | 13.98 | -19.63 % |
| 2010 | 13.41 | -4.09 % |
|
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