1994

3.8

1996

8.2

2019

8.8

2018

10.0

1933

6.0

2014

6.0

2018

6.5

1983

4.3

2016

8.0

2012

9.5

2005

9.8

2021

10.0

2020

9.0

2015

5.4

2011

3.5

2011

10.0