1969

7.1

1967

7.4

1999

7.6

2020

5.9

2017

4.2

2004

7.2

2005

6.0

2002

8.0

1977

0.0

1998

7.1

1977

6.7

2005

4.0

1983

5.8

2001

6.0

2024

0.0

2016

8.0

2025

7.3

2021

7.0

2006

6.3

2023

8.0