1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
15
14
13
12
08
09
10
11
2007
Quarter-on-quarter percentage change
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
15
14
13
12
08
09
10
11
2007
Quarter-on-quarter percentage change
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
2015
2014
2013
2012
2008
2009
2010
2011
2007
Quarter-on-quarter percentage change
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
2015
2014
2013
2012
2008
2009
2010
2011
2007
Quarter-on-quarter percentage change