2023

8.7

2017

8.2

2007

7.7

1995

7.6

2006

7.9

2021

8.5

2010

8.1

2004

8.1

2012

7.5

1994

6.9

1969

8.0

2015

8.3

2015

7.8

2014

8.3

2019

7.3

2013

7.8

1985

7.9

2015

8.0

2018

7.4

2008

8.9