2014

6.5

1927

8.1

2003

6.0

2005

6.7

2004

6.9

2004

5.6

1979

8.3

2004

8.1

2000

7.6

2005

7.2

2002

7.6

2002

7.1

1997

6.6

2005

6.9

2005

7.5

1961

5.7

1938

5.0

1987

0.0

1965

8.0

1913

5.0