|
| year | imports | change |
| 1984 | 23.58 | NA |
| 1985 | 26.59 | 12.76 % |
| 1986 | 28.43 | 6.93 % |
| 1987 | 29.34 | 3.21 % |
| 1988 | 27.12 | -7.56 % |
| 1989 | 30.42 | 12.14 % |
| 1990 | 38.74 | 27.36 % |
| 1991 | 34.82 | -10.11 % |
| 1992 | 40.31 | 15.77 % |
| 1993 | 38.18 | -5.29 % |
| 1994 | 46.42 | 21.58 % |
| 1995 | 45.09 | -2.87 % |
| 1996 | 43.29 | -3.98 % |
| 1997 | 58.27 | 34.60 % |
| 1998 | 63.15 | 8.37 % |
| 1999 | 57.06 | -9.64 % |
| 2000 | 59.02 | 3.43 % |
| 2001 | 67.06 | 13.62 % |
| 2002 | 66.54 | -0.78 % |
| 2003 | 65.00 | -2.31 % |
| 2004 | 58.04 | -10.71 % |
| 2005 | 65.36 | 12.61 % |
| 2006 | 63.66 | -2.60 % |
| 2007 | 68.22 | 7.16 % |
| 2008 | 65.66 | -3.75 % |
| 2009 | 54.57 | -16.89 % |
| 2010 | 62.07 | 13.74 % |
|
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