|
| year | imports | change |
| 1980 | 218.26 | NA |
| 1981 | 191.80 | -12.12 % |
| 1982 | 171.96 | -10.34 % |
| 1983 | 104.72 | -39.10 % |
| 1984 | 93.70 | -10.53 % |
| 1985 | 175.27 | 87.06 % |
| 1986 | 205.03 | 16.98 % |
| 1987 | 170.86 | -16.67 % |
| 1988 | 200.62 | 17.42 % |
| 1989 | 184.09 | -8.24 % |
| 1990 | 112.23 | -39.04 % |
| 1991 | 354.25 | 215.66 % |
| 1992 | 337.32 | -4.78 % |
| 1993 | 490.41 | 45.38 % |
| 1994 | 531.57 | 8.39 % |
| 1995 | 531.56 | 0.00 % |
| 1996 | 531.47 | -0.02 % |
| 1997 | 601.18 | 13.12 % |
| 1998 | 654.71 | 8.90 % |
| 1999 | 710.92 | 8.59 % |
| 2000 | 915.80 | 28.82 % |
| 2001 | 740.97 | -19.09 % |
| 2002 | 1,137.80 | 53.55 % |
| 2003 | 1,033.74 | -9.15 % |
| 2004 | 1,075.08 | 4.00 % |
| 2005 | 1,249.91 | 16.26 % |
| 2006 | 1,119.62 | -10.42 % |
| 2007 | 1,355.51 | 21.07 % |
| 2008 | 1,017.04 | -24.97 % |
| 2009 | 840.70 | -17.34 % |
| 2010 | 1,068.39 | 27.08 % |
| 2011 | 1,033.42 | -3.27 % |
|
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