Mar 2004
Aug 2005
Dec 2006
May 2008
Sep 2009
Jan 2011
Jun 2012
Jul 2002
Aug 2014
0.00
0.20
0.40
0.60
0.80
1.00
1.20
0.00
1.22
R_sq
SelectionShare
TimingShare
Stacked
Stream
Expanded