|
| year | imports | change |
| 1984 | 51.33 | NA |
| 1985 | 20.64 | -59.80 % |
| 1986 | 16.46 | -20.21 % |
| 1987 | 15.70 | -4.65 % |
| 1988 | 11.47 | -26.94 % |
| 1989 | 13.81 | 20.42 % |
| 1990 | 7.81 | -43.44 % |
| 1991 | 25.56 | 227.20 % |
| 1992 | 13.41 | -47.54 % |
| 1993 | 10.09 | -24.75 % |
| 1994 | 7.17 | -28.90 % |
| 1995 | 9.19 | 28.08 % |
| 1996 | 7.44 | -19.07 % |
| 1997 | 6.22 | -16.36 % |
| 1998 | 28.52 | 358.52 % |
| 1999 | 58.92 | 106.57 % |
| 2000 | 77.95 | 32.30 % |
| 2001 | 51.14 | -34.39 % |
| 2002 | 57.44 | 12.33 % |
| 2003 | 37.36 | -34.97 % |
| 2004 | 60.70 | 62.49 % |
| 2005 | 66.37 | 9.34 % |
| 2006 | 86.99 | 31.06 % |
| 2007 | 97.33 | 11.88 % |
| 2008 | 107.75 | 10.71 % |
| 2009 | 120.79 | 12.10 % |
| 2010 | 123.27 | 2.06 % |
|
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