2005

8.2

2011

8.3

2018

8.1

2022

7.2

1990

8.3

2014

8.1

2023

8.0

2006

8.6

2004

7.4

2003

7.8

2009

8.0

2023

8.6

2015

6.8

2024

7.5

2008

8.9

1995

8.6

2023

6.9

1993

8.4

2002

7.5

2022

7.9