|
| year | imports | change |
| 1984 | 17.59 | NA |
| 1985 | 18.44 | 4.85 % |
| 1986 | 25.41 | 37.77 % |
| 1987 | 37.58 | 47.90 % |
| 1988 | 49.56 | 31.89 % |
| 1989 | 74.61 | 50.55 % |
| 1990 | 69.08 | -7.42 % |
| 1991 | 49.63 | -28.16 % |
| 1992 | 50.20 | 1.16 % |
| 1993 | 38.84 | -22.63 % |
| 1994 | 31.47 | -18.98 % |
| 1995 | 40.89 | 29.95 % |
| 1996 | 27.67 | -32.33 % |
| 1997 | 41.65 | 50.51 % |
| 1998 | 60.86 | 46.12 % |
| 1999 | 48.10 | -20.97 % |
| 2000 | 49.02 | 1.92 % |
| 2001 | 57.02 | 16.32 % |
| 2002 | 35.87 | -37.10 % |
| 2003 | 61.42 | 71.23 % |
| 2004 | 49.90 | -18.76 % |
| 2005 | 47.57 | -4.66 % |
| 2006 | 26.96 | -43.33 % |
| 2007 | 33.55 | 24.45 % |
| 2008 | 30.48 | -9.15 % |
| 2009 | 21.79 | -28.52 % |
| 2010 | 17.27 | -20.75 % |
|
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