2018

6.0

2013

8.1

1964

7.4

2017

6.1

2008

7.8

1995

5.6

2011

7.3

2021

9.2

2016

6.2

1976

4.5

2012

5.8

2015

10.0

2011

7.2

2023

7.6

1989

6.5

2009

8.7

1973

7.4

2005

5.6

2016

7.7

1989

6.0