2009

6.8

2019

7.8

2022

8.2

2014

7.6

1997

7.5

2016

7.2

2002

8.3

1983

7.5

2017

7.9

2021

8.2

2015

7.5

2014

8.2

1997

8.3

2021

8.3

2004

8.2

2005

8.1

2011

8.4

2019

8.0

2020

7.7

2001

6.8