1998 6.1

1983 6.1

1996 6.1

1999 6.1

1985 6.1

1987 6.1

1983 6.1

1986 6.1

1985 6.1

1989 6.1

2002 6.1

1992 6.1

1997 6.1

1985 6.1

1981 6.1

1983 6.1

2004 6.1

1981 6.1

1981 6.1

1988 6.1