|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.68 | NA |
| 1987 | 4.24 | 58.13 % |
| 1988 | 2.63 | -37.97 % |
| 1989 | 5.99 | 127.99 % |
| 1990 | | NA |
| 1991 | 3.54 | NA |
| 1992 | 5.91 | 67.25 % |
| 1993 | 4.48 | -24.31 % |
| 1994 | 4.11 | -8.22 % |
| 1995 | 7.85 | 91.05 % |
| 1996 | 8.19 | 4.40 % |
| 1997 | 17.64 | 115.26 % |
| 1998 | 11.98 | -32.10 % |
| 1999 | 17.99 | 50.17 % |
| 2000 | 21.03 | 16.95 % |
| 2001 | 23.26 | 10.57 % |
| 2002 | 22.46 | -3.43 % |
| 2003 | 22.73 | 1.18 % |
| 2004 | 23.77 | 4.57 % |
| 2005 | 21.58 | -9.19 % |
| 2006 | 19.74 | -8.52 % |
| 2007 | 27.00 | 36.75 % |
| 2008 | 22.18 | -17.87 % |
| 2009 | 20.03 | -9.68 % |
| 2010 | 20.13 | 0.51 % |
|
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