2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

Mean

Ranking

AR

长沙

1.597

1.631

1.462

1.481

1.682

1.648

1.665

1.823

1.845

1.98

1.94

1.705

1

0.0196

株洲

0.431

0.415

0.417

0.497

0.542

0.589

0.655

0.652

0.687

0.719

0.724

0.575

8

0.0901

湘潭

0.878

0.826

0.753

0.711

0.707

0.718

0.725

0.73

0.733

0.714

0.693

0.754

5

0.0236

岳阳

0.655

0.627

0.674

0.692

0.716

0.712

0.727

0.751

0.734

0.746

0.769

0.709

6

0.0161

衡阳

0.681

0.662

0.684

0.695

0.702

0.692

0.706

0.712

0.716

0.728

0.735

0.701

7

0.0076

益阳

0.862

0.847

0.883

0.771

0.812

0.806

0.823

0.821

0.815

0.823

0.835

0.827

3

0.0032

娄底

0.874

0.889

0.911

0.818

0.804

0.789

0.776

0.771

0.776

0.768

0.756

0.812

4

0.0143

常德

0.978

1.074

1.042

1.089

0.981

0.946

0.889

0.924

1.042

1.183

1.159

1.03

2

0.0171

Mean

0.869

0.871

0.853

0.844

0.868

0.862

0.87

0.898

0.918

0.957

0.951

0.889