2004

9.5

1999

7.0

2007

7.9

1998

2.9

2017

7.8

2022

6.0

2012

7.8

2013

8.2

1998

7.2

2008

3.6

2019

8.6

2005

6.6

2008

7.5

2017

7.5

1976

7.1

2021

4.2