2020

8.3

2018

6.0

2020

6.0

1967

6.6

6.8

1931

5.8

2003

7.5

1984

9.2

2013

8.4

2009

8.8

2016

9.7

2013

7.0

2017

6.1

2025

5.5

2010

7.7

2005

9.9

2013

6.9

2021

7.4

2016

6.3