|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 17.81 | NA |
| 1987 | 18.74 | 5.20 % |
| 1988 | 25.51 | 36.16 % |
| 1989 | 28.74 | 12.67 % |
| 1990 | 28.73 | -0.04 % |
| 1991 | 30.00 | 4.42 % |
| 1992 | 29.18 | -2.74 % |
| 1993 | 28.68 | -1.73 % |
| 1994 | 27.61 | -3.73 % |
| 1995 | 23.90 | -13.43 % |
| 1996 | 24.92 | 4.26 % |
| 1997 | 24.67 | -0.98 % |
| 1998 | 23.75 | -3.73 % |
| 1999 | 27.44 | 15.52 % |
| 2000 | 26.91 | -1.93 % |
| 2001 | 29.16 | 8.39 % |
| 2002 | 27.09 | -7.10 % |
| 2003 | 24.95 | -7.90 % |
| 2004 | 27.08 | 8.53 % |
| 2005 | 28.00 | 3.39 % |
| 2006 | 33.91 | 21.11 % |
| 2007 | 34.51 | 1.78 % |
| 2008 | 31.56 | -8.56 % |
| 2009 | 36.48 | 15.58 % |
| 2010 | 28.57 | -21.67 % |
|
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