1975

2.0

2011

3.5

2023

5.5

2019

0.0

1995

6.3

1993

7.5

2025

10.0

1997

3.5

2007

6.2

1999

7.2

1973

5.2

1939

7.5

1970

5.3

1965

6.8

1964

6.8

1967

6.7

2006

5.0