|
| year | imports | change |
| 1984 | 26.69 | NA |
| 1985 | 35.66 | 33.63 % |
| 1986 | 22.47 | -36.99 % |
| 1987 | 31.78 | 41.42 % |
| 1988 | 25.09 | -21.05 % |
| 1989 | 14.79 | -41.07 % |
| 1990 | 16.43 | 11.12 % |
| 1991 | 23.55 | 43.33 % |
| 1992 | 24.06 | 2.15 % |
| 1993 | 39.31 | 63.42 % |
| 1994 | 36.45 | -7.28 % |
| 1995 | 31.11 | -14.65 % |
| 1996 | 41.42 | 33.14 % |
| 1997 | 36.61 | -11.62 % |
| 1998 | 37.02 | 1.13 % |
| 1999 | 39.95 | 7.90 % |
| 2000 | 38.79 | -2.89 % |
| 2001 | 28.41 | -26.76 % |
| 2002 | 34.61 | 21.81 % |
| 2003 | 31.62 | -8.63 % |
| 2004 | 34.70 | 9.75 % |
| 2005 | 32.54 | -6.23 % |
| 2006 | 28.79 | -11.52 % |
| 2007 | 31.81 | 10.49 % |
| 2008 | 30.74 | -3.36 % |
| 2009 | 27.55 | -10.37 % |
| 2010 | 25.46 | -7.61 % |
|
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