2004

5.1

1995

6.5

2003

6.0

1978

6.1

2014

4.8

1967

6.9

2015

5.4

2014

6.7

2025

0.0

2002

6.3

2016

6.3

1991

7.4

2002

5.3

2005

4.9

2006

6.1

2013

6.4

2024

0.0

1980

5.8

2021

6.3

2023

6.7