1984

7.2

2009

4.6

1972

7.1

2021

6.5

2014

7.6

2017

6.8

2011

6.1

1947

7.3

2017

5.9

2024

6.8

2017

7.3

2012

7.5

2024

6.8

2007

7.1

2014

6.5

1998

6.4

2024

5.6

2016

6.7

2020

5.5