2000 6.1

1984 6.1

1987 6.1

1997 6.1

2004 6.1

1993 6.1

1982 6.1

1995 6.1

1989 6.1

2003 6.1

1993 6.1

1997 6.1

2000 6.1

2004 6.1

1980 6.1

2003 6.1

1988 6.1

1980 6.1

1993 6.1

1998 6.1