|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 9.66 | NA |
| 1987 | 10.60 | 9.70 % |
| 1988 | 8.83 | -16.67 % |
| 1989 | 11.28 | 27.75 % |
| 1990 | 9.26 | -17.92 % |
| 1991 | 10.57 | 14.13 % |
| 1992 | 12.55 | 18.80 % |
| 1993 | 14.98 | 19.33 % |
| 1994 | 14.76 | -1.49 % |
| 1995 | 13.55 | -8.18 % |
| 1996 | 16.75 | 23.64 % |
| 1997 | 18.72 | 11.70 % |
| 1998 | 18.17 | -2.92 % |
| 1999 | 23.32 | 28.35 % |
| 2000 | 21.40 | -8.23 % |
| 2001 | 25.81 | 20.62 % |
| 2002 | 27.12 | 5.07 % |
| 2003 | 23.73 | -12.51 % |
| 2004 | 25.32 | 6.68 % |
| 2005 | 24.67 | -2.55 % |
| 2006 | 26.67 | 8.12 % |
| 2007 | 26.26 | -1.53 % |
| 2008 | 26.98 | 2.72 % |
| 2009 | 24.14 | -10.53 % |
| 2010 | 35.05 | 45.22 % |
|
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