2017

6.8

1998

7.3

2005

5.9

2023

7.7

2008

5.0

2021

6.8

2008

5.6

2002

6.2

2010

4.6

2017

3.4

2014

5.4

2008

5.9

2008

4.6

2009

6.6

1984

4.8

2007

6.5

2003

5.8

2007

4.6

2017

6.2

2006

7.6