2023

8.9

2017

6.0

2006

7.9

2020

7.4

2022

8.2

1998

7.4

1997

8.4

1992

8.2

2019

8.0

1990

7.1

2013

8.1

1976

7.0

2023

6.7

2008

7.6

2007

7.5

2016

6.6

1999

7.3

2002

8.3

2014

7.0

2001

6.3