2021

8.2

2011

7.4

1997

8.1

2013

7.6

2015

6.7

2003

7.8

2019

8.7

2010

7.9

1983

6.9

2018

8.2

1974

7.7

1998

7.0

2017

7.1

1964

7.8

2016

7.5

2019

7.8

2018

7.8

2019

7.0

2015

8.3

2005

8.2