|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 1.75 | NA |
| 1987 | 1.29 | -26.67 % |
| 1988 | 1.99 | 55.03 % |
| 1989 | 2.45 | 22.73 % |
| 1990 | 2.85 | 16.54 % |
| 1991 | 4.42 | 55.20 % |
| 1992 | 4.54 | 2.74 % |
| 1993 | 6.13 | 34.99 % |
| 1994 | 3.41 | -44.38 % |
| 1995 | 6.62 | 94.11 % |
| 1996 | 8.84 | 33.48 % |
| 1997 | 7.85 | -11.17 % |
| 1998 | 11.43 | 45.54 % |
| 1999 | 13.48 | 18.00 % |
| 2000 | 13.25 | -1.72 % |
| 2001 | 12.82 | -3.25 % |
| 2002 | 14.33 | 11.73 % |
| 2003 | 12.81 | -10.60 % |
| 2004 | 12.40 | -3.18 % |
| 2005 | 11.29 | -8.96 % |
| 2006 | 12.08 | 7.04 % |
| 2007 | 12.20 | 0.97 % |
| 2008 | 13.13 | 7.66 % |
| 2009 | 13.72 | 4.45 % |
| 2010 | 14.19 | 3.41 % |
|
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