2001

10.0

2015

7.4

2020

9.8

2010

6.1

2008

4.6

1976

4.7

1978

6.3

1972

4.0

1990

3.0

2006

6.6

2014

10.0

1938

4.2

1988

6.2

2006

6.4

1984

7.0

2011

10.0

0.0

2024

10.0

2024

4.0