2006

7.2

2018

3.7

2008

4.6

2017

3.8

1961

6.2

2016

2.0

1999

2.0

2016

6.2

1988

6.8

1929

1.0

2017

6.2

2017

7.8

1999

5.8

2005

0.0

2017

5.0

1955

7.4

2016

7.4

2015

6.4

1968

7.5

2014

5.2