|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.35 | NA |
| 1987 | 2.27 | -3.48 % |
| 1988 | 2.04 | -10.16 % |
| 1989 | 2.31 | 13.31 % |
| 1990 | 1.88 | -18.58 % |
| 1991 | 2.13 | 13.04 % |
| 1992 | 1.77 | -16.57 % |
| 1993 | 1.76 | -0.88 % |
| 1994 | 1.94 | 10.47 % |
| 1995 | 1.55 | -20.00 % |
| 1996 | 1.63 | 4.98 % |
| 1997 | 1.64 | 0.27 % |
| 1998 | 1.64 | 0.00 % |
| 1999 | 1.64 | 0.00 % |
| 2000 | 1.45 | -11.49 % |
| 2001 | 1.57 | 8.75 % |
| 2002 | 2.17 | 37.66 % |
| 2003 | 2.57 | 18.70 % |
| 2004 | 3.96 | 54.13 % |
| 2005 | 2.80 | -29.36 % |
| 2006 | 2.98 | 6.57 % |
| 2007 | 3.31 | 10.96 % |
| 2008 | 2.62 | -20.99 % |
| 2009 | 2.59 | -0.96 % |
| 2010 | 1.46 | -43.76 % |
|
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