2006
2007
2008
2009
0.0
4.0
8.0
12.0
16.0
20.0
Series 1
Series 2
Series 3
Series 4
2006
2007
2008
2009
2010
2011
0.0
4.0
8.0
12.0
16.0
20.0
Series 1
Series 2