1996

6.4

2024

7.2

2010

4.6

2013

5.0

2006

5.2

2005

5.2

2007

5.9

2007

6.5

2010

3.9

2014

6.3

2012

6.3

2005

0.0

2011

6.0

2004

6.4

1992

0.0

1970

6.2

2003

6.2

2021

6.8

2008

5.3

2022

7.4