|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.57 | NA |
| 1987 | 1.58 | 0.70 % |
| 1988 | 1.57 | -0.27 % |
| 1989 | 1.60 | 1.86 % |
| 1990 | 1.87 | 17.04 % |
| 1991 | 1.70 | -9.34 % |
| 1992 | 1.63 | -4.01 % |
| 1993 | 1.68 | 3.14 % |
| 1994 | 1.75 | 4.17 % |
| 1995 | 1.71 | -2.67 % |
| 1996 | 1.75 | 2.46 % |
| 1997 | 1.75 | 0.27 % |
| 1998 | 1.75 | 0.00 % |
| 1999 | 1.75 | 0.00 % |
| 2000 | 1.79 | 2.39 % |
| 2001 | 1.82 | 1.58 % |
| 2002 | 1.82 | 0.00 % |
| 2003 | 1.82 | 0.00 % |
| 2004 | 1.84 | 1.01 % |
| 2005 | 1.89 | 2.81 % |
| 2006 | 1.92 | 1.23 % |
| 2007 | 1.96 | 2.44 % |
| 2008 | 1.97 | 0.11 % |
| 2009 | 1.99 | 1.43 % |
| 2010 | 1.99 | 0.00 % |
|
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