2006

5.3

1971

6.4

1999

6.1

2008

5.5

2017

5.7

0.0

1945

3.7

2013

6.7

2006

5.3

1992

6.6

1999

6.1

2004

5.2

1999

6.5

1994

7.3

1986

7.0

1941

7.1

1990

6.0

2004

7.2

2003

8.1

2013

5.7