|
| year | imports | change |
| 1980 | 1,031.76 | NA |
| 1981 | 839.96 | -18.59 % |
| 1982 | 863.11 | 2.76 % |
| 1983 | 565.49 | -34.48 % |
| 1984 | 593.04 | 4.87 % |
| 1985 | 842.17 | 42.01 % |
| 1986 | 1,275.37 | 51.44 % |
| 1987 | 1,392.22 | 9.16 % |
| 1988 | 1,524.50 | 9.50 % |
| 1989 | 1,679.92 | 10.20 % |
| 1990 | 1,191.60 | -29.07 % |
| 1991 | 1,187.43 | -0.35 % |
| 1992 | 1,503.55 | 26.62 % |
| 1993 | 1,311.75 | -12.76 % |
| 1994 | 1,720.71 | 31.18 % |
| 1995 | 1,553.16 | -9.74 % |
| 1996 | 1,409.86 | -9.23 % |
| 1997 | 1,183.88 | -16.03 % |
| 1998 | 1,419.78 | 19.93 % |
| 1999 | 1,029.11 | -27.52 % |
| 2000 | 1,079.13 | 4.86 % |
| 2001 | 1,068.68 | -0.97 % |
| 2002 | 1,111.13 | 3.97 % |
| 2003 | 932.57 | -16.07 % |
| 2004 | 1,037.41 | 11.24 % |
| 2005 | 1,056.73 | 1.86 % |
| 2006 | 1,188.25 | 12.45 % |
| 2007 | 1,514.58 | 27.46 % |
| 2008 | 1,837.55 | 21.32 % |
| 2009 | 1,929.05 | 4.98 % |
| 2010 | 1,495.36 | -22.48 % |
| 2011 | 2,251.80 | 50.59 % |
|
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