|
| year | imports | change |
| 1984 | 18.83 | NA |
| 1985 | 18.33 | -2.66 % |
| 1986 | 22.07 | 20.40 % |
| 1987 | 17.21 | -22.04 % |
| 1988 | 19.44 | 12.99 % |
| 1989 | 20.74 | 6.69 % |
| 1990 | 23.46 | 13.10 % |
| 1991 | 23.40 | -0.26 % |
| 1992 | 24.38 | 4.17 % |
| 1993 | 25.14 | 3.12 % |
| 1994 | 27.39 | 8.94 % |
| 1995 | 30.13 | 10.00 % |
| 1996 | 34.77 | 15.42 % |
| 1997 | 31.74 | -8.72 % |
| 1998 | 35.03 | 10.37 % |
| 1999 | 39.81 | 13.65 % |
| 2000 | 42.33 | 6.33 % |
| 2001 | 42.92 | 1.38 % |
| 2002 | 47.48 | 10.62 % |
| 2003 | 48.09 | 1.29 % |
| 2004 | 51.22 | 6.51 % |
| 2005 | 44.19 | -13.73 % |
| 2006 | 50.14 | 13.46 % |
| 2007 | 50.48 | 0.69 % |
| 2008 | 45.11 | -10.65 % |
| 2009 | 44.60 | -1.13 % |
| 2010 | 45.31 | 1.60 % |
|
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