2023

9.4

1994

7.4

2008

7.8

2016

6.4

2011

9.1

2010

6.8

1980

7.1

2014

6.2

2013

7.2

1974

5.7

2005

8.3

2002

6.2

2007

6.5

2013

6.1

2015

4.8

1923

8.5

2004

6.8

2012

5.4

2014

7.1

2017

6.0