1984

2.5

2002

6.3

1964

5.8

2008

6.8

2010

2.5

1992

4.9

1986

3.0

1989

6.0

2004

3.8

2014

3.5

2017

6.7

1993

0.0

2005

0.0

1991

5.6

2011

4.8

1998

5.9

2022

0.0

2018

7.0

2009

6.0

2017

7.5