1978

6.0

2017

6.2

2013

6.7

2005

5.9

1998

7.3

2010

4.6

2021

6.8

2016

6.5

1984

4.8

2023

7.1

2007

4.6

2008

6.8

1996

0.0

1995

7.7

1992

7.0

2008

5.6

2008

5.9

2020

6.7

2020

10.0

2007

6.5