2014

6.5

1965

6.9

1972

6.0

2010

6.4

1992

7.4

2008

4.9

1945

6.0

1981

6.1

1970

7.0

1968

6.5

1984

7.2

2000

8.1

2005

7.7

1954

8.5

1992

4.5

2003

7.2

2002

7.5

2000

7.4

2017

0.0

2019

6.4