1984

8.4

1977

8.1

1996

8.1

1983

8.0

1979

7.4

2006

8.3

2018

6.3

2022

8.3

1985

7.9

2017

5.7

2018

8.5

1994

7.5

1990

6.9

2003

6.5

7.6

2017

5.0

2011

10.0

2012

7.5

1976

7.9

2023

5.5