2006

9.3

2014

7.6

2012

6.8

2005

7.2

2021

8.8

2015

6.9

2021

8.2

2015

8.3

2019

7.7

2001

8.5

2018

7.9

2017

7.3

2013

7.8

1985

8.5

2009

8.0

2005

7.0

2017

8.5

1995

8.2

2013

8.2

1993

8.1