2006

8.5

2005

8.0

2014

5.5

2019

5.5

1999

5.2

2016

5.0

1910

4.8

2020

6.1

2010

5.2

1970

0.0

1951

6.0

2006

7.7

1960

4.8

1983

5.8

2013

2.8

2020

8.0

1902

5.5

1974

4.0

2023

7.0