1984

8.5

1993

5.8

1998

8.6

2014

6.3

2017

7.3

2009

6.4

2014

6.8

2022

8.3

2008

0.0

1986

8.5

1997

5.6

2016

7.0

2002

7.9

1970

10.0

2023

7.5

2024

8.5

1993

6.8

2011

7.9

2006

9.3

2010

6.3