1991 6.7

1996 6.7

2000 6.7

1982 6.7

1990 6.7

1991 6.7

1995 6.7

1997 6.7

1999 6.7

1995 6.7

1973 6.7

1992 6.7

1995 6.7

1996 6.7

1998 6.7

1997 6.7

1985 6.7

1995 6.7

2001 6.7

2002 6.7