1972

6.3

1969

6.6

1961

4.3

1988

6.7

1931

6.5

2008

6.6

2018

5.3

2023

6.3

1955

6.9

1996

6.0

1983

7.1

2003

5.8

2008

6.5

1913

0.0

2004

6.2

2006

5.5

1996

4.8

2004

6.2

1999

6.0

1997

5.0