2006

7.6

2020

6.7

1998

7.3

2010

5.5

1985

8.3

2005

5.9

2013

5.9

2017

3.3

2023

6.0

1978

6.2

2004

3.8

2021

5.1

2006

5.9

1995

6.2

1974

5.0

2010

6.1

2017

4.0

1981

6.2

2009

6.6

1984

4.8