2006

7.5

1990

7.2

1960

8.1

2014

7.5

2018

4.5

2021

0.0

2016

3.4

2008

3.5

2009

3.6

2009

4.1

2008

6.2

2010

4.0

2021

0.0

1967

0.0

2017

5.2

1984

7.5

1995

7.6

2005

7.1

2002

6.7

1999

3.0