|
| year | imports | change |
| 1984 | 21.28 | NA |
| 1985 | 22.07 | 3.73 % |
| 1986 | 24.04 | 8.89 % |
| 1987 | 24.53 | 2.04 % |
| 1988 | 24.70 | 0.72 % |
| 1989 | 26.24 | 6.23 % |
| 1990 | 30.41 | 15.89 % |
| 1991 | 22.32 | -26.61 % |
| 1992 | 11.01 | -50.68 % |
| 1993 | 9.30 | -15.51 % |
| 1994 | 11.22 | 20.66 % |
| 1995 | 11.69 | 4.19 % |
| 1996 | 28.19 | 141.12 % |
| 1997 | 30.96 | 9.84 % |
| 1998 | 25.75 | -16.83 % |
| 1999 | 19.93 | -22.62 % |
| 2000 | 17.63 | -11.52 % |
| 2001 | 17.21 | -2.39 % |
| 2002 | 24.81 | 44.18 % |
| 2003 | 29.35 | 18.29 % |
| 2004 | 32.43 | 10.49 % |
| 2005 | 42.12 | 29.90 % |
| 2006 | 51.14 | 21.40 % |
| 2007 | 61.17 | 19.62 % |
| 2008 | 47.33 | -22.63 % |
| 2009 | 44.92 | -5.08 % |
| 2010 | 43.31 | -3.59 % |
|
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