2008

4.6

2023

7.1

1984

4.8

2020

6.7

2003

5.8

2007

4.6

2005

5.9

2017

6.2

2006

6.3

2021

6.8

1998

7.3

2006

5.5

2008

5.0

2016

6.5

2008

5.9

1978

6.0

2008

5.6

1978

7.5

1992

7.0

2010

5.5