1968

6.0

1980

5.0

1976

7.0

2019

6.4

2006

5.8

2019

7.3

1994

8.4

1987

5.6

2005

4.9

2024

6.2

1993

6.3

1998

7.2

2023

0.0

2011

7.8

2013

6.4

2010

8.3

2006

5.0

2019

6.9

2016

0.0

2003

0.0