2005

8.0

2009

5.8

2006

6.1

2014

7.0

2021

1.0

2000

5.1

1948

6.3

2009

8.5

2013

5.3

2015

6.5

2013

6.7

2023

4.0

2024

6.8

1974

3.7

1933

6.2

1930

5.0