1980

8.0

2007

6.1

1989

5.0

1946

6.6

1995

7.6

1944

7.2

1998

6.8

2010

6.5

1960

6.9

2016

6.9

1968

7.0

2020

6.4

1967

6.5

1985

6.1

2023

6.4

1985

8.0

2006

5.6

2006

6.8

1995

7.1

2005

5.2