|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.12 | NA |
| 1987 | 1.99 | 77.15 % |
| 1988 | 1.63 | -18.12 % |
| 1989 | 2.21 | 35.37 % |
| 1990 | 1.66 | -24.87 % |
| 1991 | 1.22 | -26.31 % |
| 1992 | 2.24 | 83.45 % |
| 1993 | 2.29 | 2.10 % |
| 1994 | 2.35 | 2.68 % |
| 1995 | 2.35 | 0.00 % |
| 1996 | 2.34 | -0.27 % |
| 1997 | 2.37 | 1.15 % |
| 1998 | 2.37 | 0.00 % |
| 1999 | 2.37 | 0.00 % |
| 2000 | 3.85 | 62.49 % |
| 2001 | 4.64 | 20.43 % |
| 2002 | 4.95 | 6.61 % |
| 2003 | 5.01 | 1.24 % |
| 2004 | 6.44 | 28.63 % |
| 2005 | 5.27 | -18.13 % |
| 2006 | 9.05 | 71.71 % |
| 2007 | 8.69 | -4.06 % |
| 2008 | 7.61 | -12.39 % |
| 2009 | 6.80 | -10.60 % |
| 2010 | 6.80 | 0.00 % |
|
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