2011

8.5

2008

8.9

2014

8.3

1999

7.4

2016

7.3

2015

8.0

2005

8.3

2012

6.8

2019

8.7

2017

7.1

2019

6.9

2016

7.8

2021

8.2

2002

8.6

1989

8.3

2024

7.4

2015

7.8

2014

7.8

2019

8.6

2015

8.7