|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 11.38 | NA |
| 1987 | 12.52 | 10.02 % |
| 1988 | 14.97 | 19.58 % |
| 1989 | 12.90 | -13.82 % |
| 1990 | 12.59 | -2.43 % |
| 1991 | 15.34 | 21.85 % |
| 1992 | 14.94 | -2.62 % |
| 1993 | 15.66 | 4.83 % |
| 1994 | 18.14 | 15.84 % |
| 1995 | 15.94 | -12.13 % |
| 1996 | 14.94 | -6.28 % |
| 1997 | 20.78 | 39.10 % |
| 1998 | 21.50 | 3.46 % |
| 1999 | 23.72 | 10.33 % |
| 2000 | 23.04 | -2.88 % |
| 2001 | 23.08 | 0.19 % |
| 2002 | 21.56 | -6.59 % |
| 2003 | 19.38 | -10.11 % |
| 2004 | 4.87 | -74.89 % |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|