2008

8.1

2014

6.0

2011

7.5

2012

6.2

2007

5.7

2022

4.5

1968

6.4

1970

7.7

2020

6.1

2010

7.7

1965

6.7

2012

8.0

2002

8.2

2021

10.0

2021

6.2

2006

8.3

2024

8.0

2004

8.4

2021

6.9

1980

5.9