2008

8.9

2007

8.5

2019

7.2

2001

7.6

2009

8.7

2014

8.3

2021

7.9

2016

8.6

1997

6.4

2017

7.1

2022

7.3

2004

7.9

2004

7.7

2019

8.7

2009

8.0

1990

6.9

1998

7.1

2014

7.9

2020

8.2

1973

6.8