2025

9.6

2011

7.3

2012

8.3

2018

8.5

2009

6.0

2002

8.2

2020

7.8

2021

7.4

2004

8.0

2005

7.9

1991

7.6

1989

8.0

1998

7.9

2017

6.1

2017

6.4

1984

8.4

2003

8.4

2014

7.7

2010

7.8