2020

8.3

2017

7.4

1998

7.0

2016

8.4

1998

5.3

1988

6.7

2002

8.2

1995

7.2

2003

7.6

2006

8.2

1979

7.5

2018

8.5

1986

7.7

2016

8.6

2011

8.1

2014

8.2

2021

8.1

1960

7.1

2015

7.3

2021

7.2