2011

7.2

6.1

2010

9.1

1975

4.5

1940

6.0

2023

9.8

1974

10.0

1997

6.3

1919

6.0

2012

3.8

2017

9.5

2014

5.9

2017

6.0

2005

10.0

1909

5.0

2023

10.0

2015

6.4