|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.23 | NA |
| 1987 | 1.20 | -2.14 % |
| 1988 | 2.04 | 69.85 % |
| 1989 | 1.81 | -11.05 % |
| 1990 | 2.11 | 16.11 % |
| 1991 | 2.15 | 1.94 % |
| 1992 | 2.18 | 1.63 % |
| 1993 | 2.19 | 0.27 % |
| 1994 | 2.21 | 0.93 % |
| 1995 | 2.25 | 1.85 % |
| 1996 | 2.28 | 1.54 % |
| 1997 | 2.35 | 2.96 % |
| 1998 | 2.70 | 14.78 % |
| 1999 | 2.70 | 0.00 % |
| 2000 | 2.75 | 1.99 % |
| 2001 | 3.47 | 26.27 % |
| 2002 | 3.78 | 8.82 % |
| 2003 | 3.82 | 1.08 % |
| 2004 | 4.38 | 14.66 % |
| 2005 | 4.52 | 3.07 % |
| 2006 | 6.89 | 52.49 % |
| 2007 | 7.36 | 6.82 % |
| 2008 | 12.41 | 68.61 % |
| 2009 | 11.98 | -3.42 % |
| 2010 | 11.98 | 0.00 % |
|
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