1999

7.5

1996

8.1

2012

6.3

2010

6.7

2004

7.1

2006

8.6

2024

8.8

2010

7.9

2013

8.0

2022

7.8

2011

8.4

1998

7.1

2004

8.6

1997

8.1

2020

9.8

2016

9.0

2017

8.0

2015

5.3

5.8

2000

7.5