1984

5.5

2007

5.2

2019

8.1

1994

8.7

2010

6.3

2025

7.4

2014

6.4

2023

7.7

1980

7.3

2009

6.6

1940

7.8

2018

7.5

2019

7.8

2007

6.5

2012

7.8

1997

7.9

1995

6.3

2015

6.8

2017

8.1

2016

7.7