1955

2.4

2003

5.2

2004

5.8

2005

5.2

1991

6.8

1949

5.8

2014

5.4

2010

5.7

1971

4.5

1893

5.5

1912

5.2

1995

6.2

2010

6.8

1918

6.0

2000

5.3

1904

5.5

2004

7.1

2013

4.4

2009

6.2

1966

5.0