1974

0.0

1984

7.3

1979

7.4

2010

0.0

1995

7.8

2013

6.0

2019

7.8

1981

10.0

2023

5.7

1992

7.3

2009

9.0

1989

8.2

1995

0.0

2003

7.8

1998

8.5

1999

8.0

2006

9.0

2016

5.8

1973

7.5

2008

0.0