2007

5.5

2006

6.5

2017

4.0

1981

6.1

2014

5.7

2017

6.7

2006

5.6

2005

6.2

2005

5.4

1988

6.3

1997

6.6

1994

5.8

2004

5.8

2001

5.8

2017

4.3

1984

9.0

2022

5.1

1974

7.5

2002

5.4

2018

4.7