|
| year | imports | change |
| 1984 | 25.43 | NA |
| 1985 | 34.05 | 33.92 % |
| 1986 | 30.13 | -11.53 % |
| 1987 | 30.31 | 0.62 % |
| 1988 | 36.86 | 21.60 % |
| 1989 | 36.11 | -2.04 % |
| 1990 | 32.06 | -11.20 % |
| 1991 | 39.73 | 23.90 % |
| 1992 | 40.22 | 1.24 % |
| 1993 | 35.17 | -12.57 % |
| 1994 | 34.12 | -2.96 % |
| 1995 | 34.12 | 0.00 % |
| 1996 | 33.85 | -0.81 % |
| 1997 | 35.14 | 3.83 % |
| 1998 | 36.39 | 3.56 % |
| 1999 | 36.88 | 1.34 % |
| 2000 | 37.10 | 0.60 % |
| 2001 | 37.46 | 0.96 % |
| 2002 | 39.10 | 4.39 % |
| 2003 | 40.56 | 3.73 % |
| 2004 | 41.60 | 2.57 % |
| 2005 | 41.44 | -0.39 % |
| 2006 | 40.24 | -2.91 % |
| 2007 | 42.46 | 5.52 % |
| 2008 | 37.93 | -10.66 % |
| 2009 | 37.48 | -1.19 % |
| 2010 | 43.04 | 14.82 % |
|
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