2009

6.5

2013

5.9

2008

7.3

2008

6.4

2001

6.1

2005

5.3

1961

7.3

1958

0.0

1950

4.9

2018

7.0

2004

7.5

2004

6.6

1945

6.0

2007

7.4

2024

7.1

1993

5.0

2007

7.2

2008

6.1

1990

7.3

2003

6.3