2017

7.9

2021

6.5

2014

6.5

2007

7.4

0.0

2010

5.3

2011

6.6

2005

1.0

2008

3.0

2015

3.9

2016

3.5

2023

7.3

1971

6.0

2018

4.6

1951

5.0

2013

7.0

2012

6.7

2018

6.9

2018

8.0

2004

0.0