1.5
1.0
0.5
0
-0.5
-0.5
0
0.5
1.0
Canada
Australia
2015
2014
2013
2012
2011
2010
2015
2014
2013
2012
2011
2010
1.5
1.0
0.5
0
-0.5
-0.5
0
0.5
1.0
Canada
Australia
2015
2014
2013
2012
2011
2010
2015
2014
2013
2012
2011
2010
1.5
1.0
0.5
0
-0.5
-0.5
0
0.5
1.0
Canada
Australia
2015
2014
2013
2012
2011
2010
2015
2014
2013
2012
2011
2010
1.5
1.0
0.5
0
-0.5
-0.5
0
0.5
1.0
Canada
Australia
2015
2014
2013
2012
2011
2010
2015
2014
2013
2012
2011
2010