|
| year | imports | change |
| 1984 | 54.56 | NA |
| 1985 | 58.35 | 6.94 % |
| 1986 | 54.14 | -7.22 % |
| 1987 | 46.33 | -14.42 % |
| 1988 | 52.10 | 12.44 % |
| 1989 | 37.14 | -28.72 % |
| 1990 | 33.56 | -9.63 % |
| 1991 | 33.15 | -1.22 % |
| 1992 | 33.37 | 0.65 % |
| 1993 | 22.22 | -33.42 % |
| 1994 | 20.30 | -8.65 % |
| 1995 | 20.54 | 1.21 % |
| 1996 | 37.38 | 81.99 % |
| 1997 | 27.26 | -27.06 % |
| 1998 | 33.50 | 22.86 % |
| 1999 | 31.66 | -5.49 % |
| 2000 | 26.19 | -17.27 % |
| 2001 | 25.92 | -1.05 % |
| 2002 | 39.98 | 54.26 % |
| 2003 | 48.52 | 21.37 % |
| 2004 | 39.62 | -18.34 % |
| 2005 | 39.14 | -1.22 % |
| 2006 | 38.55 | -1.51 % |
| 2007 | 38.18 | -0.95 % |
| 2008 | 35.98 | -5.77 % |
| 2009 | 40.74 | 13.25 % |
| 2010 | 43.78 | 7.45 % |
|
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