2018

9.6

2023

10.0

2006

9.3

2020

9.8

2008

7.6

2011

6.0

2006

7.8

2004

8.3

2015

6.8

1998

7.1

2017

7.1

1996

5.3

1997

8.1

2014

7.7

2013

7.4

2009

7.5

2023

6.8

2018

7.8

2010

8.0

1977

7.6