2006

9.8

2012

8.0

2000

6.2

2009

8.5

2022

7.8

2019

7.6

2018

6.0

2010

7.7

2005

8.3

6.8

1998

4.0

2007

5.0

2016

7.4

1957

5.2

1991

4.4

2024

5.8

2013

5.0

2013

5.8

1982

3.8

2001

6.1