2006

4.6

2003

5.0

2002

5.1

2006

6.1

2005

4.9

1978

6.1

2025

0.0

1979

6.2

1975

3.1

1967

6.9

2001

4.0

2017

0.0

1995

6.5

2003

6.0

1998

4.1

2004

5.2

2023

6.5

1977

6.3

2024

6.1

2014

6.7