2005

9.7

2014

5.6

2009

4.5

2013

6.9

2004

7.1

1985

5.9

2008

5.5

2022

6.5

2006

6.4

2022

4.5

1913

5.8

2016

6.1

2006

10.0

2010

6.7

1963

5.6

2011

6.5

2021

10.0

2019

8.7

1932

5.7

2017

8.0