|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 33.56 | NA |
| 1987 | 34.62 | 3.16 % |
| 1988 | 38.28 | 10.56 % |
| 1989 | 25.84 | -32.48 % |
| 1990 | 36.18 | 39.99 % |
| 1991 | 32.52 | -10.11 % |
| 1992 | 26.27 | -19.21 % |
| 1993 | 36.62 | 39.37 % |
| 1994 | 38.90 | 6.23 % |
| 1995 | 36.66 | -5.76 % |
| 1996 | 40.77 | 11.21 % |
| 1997 | 36.06 | -11.55 % |
| 1998 | 43.10 | 19.52 % |
| 1999 | 36.70 | -14.85 % |
| 2000 | 46.47 | 26.63 % |
| 2001 | 39.10 | -15.86 % |
| 2002 | 45.62 | 16.68 % |
| 2003 | 39.90 | -12.54 % |
| 2004 | 43.90 | 10.02 % |
| 2005 | 44.30 | 0.91 % |
| 2006 | 45.94 | 3.70 % |
| 2007 | 39.00 | -15.11 % |
| 2008 | 38.27 | -1.87 % |
| 2009 | 41.32 | 7.97 % |
| 2010 | 36.38 | -11.96 % |
|
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