|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 10.40 | NA |
| 1987 | 9.37 | -9.88 % |
| 1988 | 10.80 | 15.20 % |
| 1989 | 14.10 | 30.60 % |
| 1990 | 11.58 | -17.86 % |
| 1991 | 10.69 | -7.73 % |
| 1992 | 11.54 | 7.93 % |
| 1993 | 12.99 | 12.64 % |
| 1994 | 13.96 | 7.42 % |
| 1995 | 17.56 | 25.77 % |
| 1996 | 20.53 | 16.91 % |
| 1997 | 19.91 | -3.01 % |
| 1998 | 22.95 | 15.30 % |
| 1999 | 26.00 | 13.27 % |
| 2000 | 21.48 | -17.36 % |
| 2001 | 31.07 | 44.61 % |
| 2002 | 32.44 | 4.41 % |
| 2003 | 30.76 | -5.17 % |
| 2004 | 31.53 | 2.51 % |
| 2005 | 32.70 | 3.71 % |
| 2006 | 36.58 | 11.88 % |
| 2007 | 41.96 | 14.69 % |
| 2008 | 48.13 | 14.71 % |
| 2009 | 55.18 | 14.65 % |
| 2010 | 63.28 | 14.67 % |
|
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