2001 6.1

1996 6.1

1988 6.1

1997 6.1

2003 6.1

1983 6.1

2002 6.1

1985 6.1

2004 6.1

1987 6.1

1994 6.1

1999 6.1

1987 6.1

1993 6.1

2004 6.1

1984 6.1

1995 6.1

2002 6.1

1998 6.1

2003 6.1