|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.63 | NA |
| 1987 | 2.62 | -0.36 % |
| 1988 | 2.96 | 13.08 % |
| 1989 | 3.27 | 10.54 % |
| 1990 | 4.37 | 33.54 % |
| 1991 | 2.80 | -35.81 % |
| 1992 | 3.15 | 12.19 % |
| 1993 | 2.08 | -33.91 % |
| 1994 | 2.53 | 21.68 % |
| 1995 | 3.67 | 45.02 % |
| 1996 | 2.56 | -30.13 % |
| 1997 | 1.75 | -31.63 % |
| 1998 | 3.46 | 97.33 % |
| 1999 | 2.31 | -33.11 % |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | 2.97 | NA |
| 2008 | 5.81 | 95.78 % |
| 2009 | 13.48 | 132.07 % |
| 2010 | 26.41 | 95.84 % |
|
|