1976

7.3

1933

6.6

1914

5.6

2008

6.4

1908

5.2

1969

6.4

1967

6.2

1991

6.2

2003

6.6

2006

6.6

1999

6.0

1995

7.1

1992

5.2

1888

6.3

1903

6.2

2014

7.4

1986

7.0

2013

4.4

1895

4.3

1983

7.6