|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 18.93 | NA |
| 1987 | 26.35 | 39.20 % |
| 1988 | 20.18 | -23.41 % |
| 1989 | 16.67 | -17.39 % |
| 1990 | 22.69 | 36.16 % |
| 1991 | 23.10 | 1.79 % |
| 1992 | 36.77 | 59.18 % |
| 1993 | 34.42 | -6.39 % |
| 1994 | 23.34 | -32.19 % |
| 1995 | 20.81 | -10.85 % |
| 1996 | 51.00 | 145.09 % |
| 1997 | 40.35 | -20.89 % |
| 1998 | 45.48 | 12.73 % |
| 1999 | 49.32 | 8.44 % |
| 2000 | 44.24 | -10.30 % |
| 2001 | 56.50 | 27.70 % |
| 2002 | 28.00 | -50.44 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | 68.71 | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|