2016

7.0

1980

7.1

2018

6.8

2013

6.9

1962

5.7

2005

6.2

2003

6.0

2008

5.9

2014

4.5

1926

0.0

2008

7.3

2017

4.7

2008

6.2

1996

5.0

2013

0.0

2005

6.5

2008

1.0

2021

0.0

1916

6.1

1965

6.8