2023

6.4

2017

6.9

2016

7.4

1972

3.0

1998

6.2

2009

5.1

2004

4.4

2003

3.4

2008

6.8

2001

6.0

2015

5.4

2000

6.3

1998

4.0

2009

6.9

2007

6.5

2008

7.0

2008

6.2

2009

6.9

2006

7.0

2014

4.6