2017

8.4

2007

8.5

1995

7.8

2021

7.5

2016

6.9

2002

7.7

2012

7.2

1987

8.3

2018

8.2

2001

6.5

2020

7.6

2014

8.0

2013

7.2

2014

8.3

2014

7.3

1965

7.8

2005

8.2

2003

8.1

2016

7.1

2020

7.5