1984

4.0

2017

6.8

1978

7.5

1998

7.3

2019

4.5

2006

7.6

1995

7.7

2003

0.0

2002

6.2

2013

6.7

1997

4.0

2007

6.5

1992

7.0

2021

3.2

2005

6.0

2011

4.0

2003

2.8

2016

4.5

2021

5.7

2016

5.0