2003

7.4

2009

7.3

2017

7.2

1989

8.3

1983

7.3

2007

6.7

2019

8.7

2012

6.9

2016

8.6

1987

8.4

2010

8.0

2014

8.4

2025

8.6

1996

8.0

2004

8.9

2006

7.9

2009

8.7

1990

7.1

2008

8.9

2020

8.4