2004

8.3

1998

7.2

5.8

1993

6.6

2011

6.1

1996

5.4

2013

6.8

2010

7.1

2015

7.0

2001

6.6

2022

8.4

2004

8.1

2011

6.7

2017

7.2

2005

7.1

2011

6.4

2013

8.0

2012

7.7

1966

7.6

2006

8.2