2005

6.2

2010

7.5

1985

5.0

2012

6.5

1995

7.3

2013

5.5

2018

6.6

2004

7.3

2015

10.0

2023

7.0

2011

10.0

1968

6.5

2019

8.0

2014

6.3

2012

6.5

1998

5.2

1990

5.5