|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.55 | NA |
| 1987 | 3.83 | 50.32 % |
| 1988 | 3.64 | -5.14 % |
| 1989 | 5.01 | 37.79 % |
| 1990 | 3.86 | -23.03 % |
| 1991 | 3.88 | 0.61 % |
| 1992 | 2.98 | -23.10 % |
| 1993 | 4.21 | 41.01 % |
| 1994 | 5.38 | 27.78 % |
| 1995 | 3.51 | -34.78 % |
| 1996 | 3.73 | 6.38 % |
| 1997 | 2.92 | -21.66 % |
| 1998 | 2.34 | -20.00 % |
| 1999 | | NA |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | 1.12 | NA |
| 2003 | 2.24 | 100.00 % |
| 2004 | 1.47 | -34.55 % |
| 2005 | 2.59 | 76.67 % |
| 2006 | 5.28 | 103.60 % |
| 2007 | 6.05 | 14.60 % |
| 2008 | 5.89 | -2.70 % |
| 2009 | 7.06 | 19.84 % |
| 2010 | 7.62 | 7.95 % |
|
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