|
| year | imports | change |
| 1984 | 10.25 | NA |
| 1985 | 13.98 | 36.36 % |
| 1986 | 16.92 | 21.05 % |
| 1987 | 12.67 | -25.12 % |
| 1988 | 12.43 | -1.88 % |
| 1989 | 20.42 | 64.22 % |
| 1990 | 10.57 | -48.25 % |
| 1991 | 5.76 | -45.45 % |
| 1992 | 9.42 | 63.48 % |
| 1993 | 11.82 | 25.44 % |
| 1994 | 14.90 | 26.06 % |
| 1995 | 14.57 | -2.22 % |
| 1996 | 19.81 | 35.99 % |
| 1997 | 13.45 | -32.12 % |
| 1998 | 16.04 | 19.30 % |
| 1999 | 24.53 | 52.87 % |
| 2000 | 23.64 | -3.60 % |
| 2001 | 19.66 | -16.84 % |
| 2002 | 23.99 | 22.03 % |
| 2003 | 42.57 | 77.44 % |
| 2004 | 63.00 | 47.99 % |
| 2005 | 81.67 | 29.63 % |
| 2006 | 105.71 | 29.43 % |
| 2007 | 105.22 | -0.46 % |
| 2008 | 147.83 | 40.50 % |
| 2009 | 144.05 | -2.56 % |
| 2010 | 141.45 | -1.80 % |
|
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