1999

7.5

2006

5.4

2019

7.2

2012

6.4

2011

8.5

2017

7.4

2009

7.9

2011

7.1

2014

7.7

2007

8.1

2025

6.3

1985

7.6

2016

7.1

2013

7.5

2016

8.1

2017

7.5

2022

6.6

2013

6.9

2001

7.8

1986

8.4