Year

Y1

Y2

Y3

Y4

S

2003

0.289

0.228

0.192

0.046

0.188

2004

0.310

0.304

0.481

0.251

0.337

2005

0.326

0.354

0.502

0.335

0.379

2006

0.205

0.447

0.522

0.439

0.403

2007

0.233

0.651

0.544

0.515

0.486

2008

0.206

0.356

0.639

0.590

0.448

2009

0.372

0.622

0.615

0.613

0.556

2010

0.668

0.656

0.686

0.771

0.695

2011

0.625

0.682

0.802

0.768

0.719

2012

0.807

0.546

0.862

0.850

0.766

2013

0.951

0.507

0.650

0.901

0.752