1973

9.0

2007

10.0

1990

9.0

2012

7.4

1978

9.5

1992

5.7

1992

6.8

2019

5.0

2018

9.7

1984

8.5

2008

7.5

2021

6.6

2004

4.1

2021

7.0

2021

7.2

2024

0.0

6.0

1983

7.5