2006

7.2

1920

6.7

2017

5.9

2007

8.0

2011

5.7

1963

7.7

2010

7.1

2018

6.5

2018

6.0

2020

5.9

2017

7.4

2016

7.5

1989

5.6

2018

5.9

1994

4.5

2010

7.0

2006

7.0

2023

6.8