2007

8.5

2004

8.6

2019

7.5

2007

8.1

2016

7.5

1977

7.8

2014

7.8

1948

7.0

2008

7.3

1996

7.6

2009

7.0

2014

8.2

2022

5.9

1986

8.3

2005

8.1

1973

8.0

2013

7.4

2021

8.1

2020

9.0

1968

9.7