 |
Yellow
Up to May 1985 |
 |
 |
 |
 |
Grey
June to September 1985 |
|
|
Yellow
October 1985 to March 1986 |
|
|
Grey
April 1986 to June 1988 |
 |
 |
Green
June 1988 to February 1989 |
 |
Blue
March to November 1989 |
 |
Yellow
March 1990 to May 1991 |
 |
Blue
June 1991 |
|
|
Yellow
September 1991 to February 1997 |
 |
 |
 |
 |
Blue
March 1997 to April 1998 |
 |
Bronze
May 1998 |
|
|
Blue
June 1998 to March 1999 |
 |
Yellow
April 1999 to November 2000 |
 |
Black
February 2001 to June 2002 |
 |
Blue
September 2002 to November 2006 |
 |
 |
 |
 |
Purple
February 2007 to |
