1957

8.1

2005

7.3

1984

6.4

2021

4.3

2007

7.2

2001

6.2

1974

7.1

2023

8.1

2015

6.3

10.0

2024

10.0

1985

8.3

2002

6.0

1989

6.9

2014

6.5

2010

5.3

2019

0.0

2020

0.0

2018

5.3

2010

4.6