1973

8.0

1981

8.0

1982

7.6

1969

8.2

2007

7.2

1988

8.1

2005

7.7

2003

7.1

2005

6.8

2004

6.8

2006

7.4

2024

6.4

1992

7.7

2023

8.1

2023

9.0

1998

8.5

1993

7.7

2004

8.5

1999

7.8

1964

7.4