1999 6.1

2004 6.1

2002 6.1

1998 6.1

2001 6.1

2002 6.1

1989 6.1

1998 6.1

1986 6.1

1983 6.1

2000 6.1

1997 6.1

1991 6.1

1985 6.1

1985 6.1

2000 6.1

1998 6.1

2004 6.1

2002 6.1

2001 6.1