|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 35.67 | NA |
| 1987 | 49.44 | 38.60 % |
| 1988 | 62.16 | 25.74 % |
| 1989 | 55.93 | -10.01 % |
| 1990 | 42.37 | -24.24 % |
| 1991 | 38.45 | -9.27 % |
| 1992 | 58.15 | 51.26 % |
| 1993 | 57.43 | -1.24 % |
| 1994 | 68.42 | 19.13 % |
| 1995 | 73.15 | 6.91 % |
| 1996 | 80.08 | 9.47 % |
| 1997 | 76.18 | -4.87 % |
| 1998 | 90.39 | 18.67 % |
| 1999 | 100.54 | 11.22 % |
| 2000 | 144.94 | 44.16 % |
| 2001 | 173.70 | 19.84 % |
| 2002 | 179.16 | 3.15 % |
| 2003 | 188.02 | 4.95 % |
| 2004 | 179.18 | -4.70 % |
| 2005 | 177.76 | -0.79 % |
| 2006 | 168.02 | -5.48 % |
| 2007 | 147.06 | -12.48 % |
| 2008 | 156.26 | 6.26 % |
| 2009 | 179.71 | 15.00 % |
| 2010 | 165.90 | -7.68 % |
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