|
| year | imports | change |
| 1984 | 26.09 | NA |
| 1985 | 22.99 | -11.87 % |
| 1986 | 29.00 | 26.13 % |
| 1987 | 33.07 | 14.02 % |
| 1988 | 29.31 | -11.37 % |
| 1989 | 23.81 | -18.76 % |
| 1990 | 22.46 | -5.67 % |
| 1991 | 14.70 | -34.58 % |
| 1992 | 24.89 | 69.36 % |
| 1993 | 25.18 | 1.18 % |
| 1994 | 26.63 | 5.76 % |
| 1995 | 28.35 | 6.45 % |
| 1996 | 31.45 | 10.94 % |
| 1997 | 24.89 | -20.85 % |
| 1998 | 22.09 | -11.25 % |
| 1999 | 24.86 | 12.51 % |
| 2000 | 29.39 | 18.23 % |
| 2001 | 33.56 | 14.18 % |
| 2002 | 34.25 | 2.08 % |
| 2003 | 42.02 | 22.66 % |
| 2004 | 40.66 | -3.22 % |
| 2005 | 50.28 | 23.65 % |
| 2006 | 50.79 | 1.01 % |
| 2007 | 53.97 | 6.27 % |
| 2008 | 56.78 | 5.21 % |
| 2009 | 46.28 | -18.49 % |
| 2010 | 37.34 | -19.33 % |
|
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