2008

8.9

2006

9.3

2012

8.1

2006

7.6

1985

7.9

1993

8.4

1992

6.8

2007

8.1

2022

8.5

2009

7.0

2009

7.7

2005

8.2

2013

6.9

2014

8.3

2011

7.9

2014

8.2

1981

8.0

2012

6.3

2024

8.3

2004

8.0