2015

7.6

2009

7.6

2012

7.2

2014

8.5

1999

8.0

1997

7.9

2018

8.4

1994

8.3

2016

6.5

2005

6.9

2022

7.3

2017

8.2

2019

8.1

2018

8.0

2023

8.1

2005

6.1

2007

6.8

2016

7.6

2012

7.8

2013

6.8