2004

7.3

1995

7.8

2009

9.1

2021

7.1

1999

9.5

2012

7.0

2023

10.0

2024

7.6

2013

8.0

2015

8.7

1998

9.0

2013

7.7

2008

6.5

2020

7.8

2015

7.9

2020

10.0

2011

9.0

2017

8.0

1975

7.4