year

B1

B2

B3

B4

B5

B6

B7

2007

0.378

0.099

5.124

0.605

6.432

0.685

1.082

2008

0.363

0.092

4.887

0.858

6.883

1.084

1.109

2009

0.307

0.089

5.147

0.784

5.439

−1.535

0.864

2010

0.301

0.092

5.906

0.779

7.887

3.298

1.532

2011

0.383

0.025

5.951

1.082

8.327

1.022

1.099

2012

0.365

0.027

6.078

0.968

10.079

3.345

1.266

2013

0.353

0.037

7.149

0.671

8.363

−0.655

0.883

2014

0.371

0.049

4.882

1.246

8.598

1.169

1.067

2015

0.395

0.118

6.183

0.914

9.297

0.866

1.054

2016

0.445

0.130

8.369

0.617

8.736

0.120

0.983