1975

8.0

2015

6.0

1998

6.2

1965

6.8

1965

8.0

1937

7.2

2019

6.6

2004

6.7

2019

8.1

2012

7.8

2018

8.2

1992

5.0

2016

5.9

1994

8.7

2018

6.1

2017

6.2

2011

7.6

1963

7.6

2004

6.4

2018

5.0