1996

8.0

2012

9.3

2010

6.9

2018

6.4

1989

9.3

2022

6.9

2010

7.2

2017

5.9

2019

6.8

2005

8.2

2024

5.7

2015

7.0

2009

6.2

1952

10.0

2003

5.8

2009

7.5

2005

8.5

2013

6.1

2008

5.5

1986

5.9