行业

2015

2016

2017

2018

2019

2020

均值

C13

0.669

0.984

0.957

0.798

0.679

0.634

0.786833

C14

0.418

0.502

0.471

0.399

0.257

0.23

0.3795

C15

0.313

0.405

0.511

0.461

0.324

0.274

0.381333

C29

0.382

0.453

0.564

0.469

0.342

0.313

0.4205

C30

0.376

0.432

0.524

0.492

0.413

0.345

0.430333

C31

0.344

0.394

0.514

0.471

0.391

0.347

0.410167

C32

0.814

0.89

0.893

0.885

0.841

0.694

0.836167

C39

0.559

0.526

0.595

0.508

0.378

0.334

0.483333

C42

0.369

0.462

0.499

0.376

0.41

0.417

0.422167

C43

0.351

0.369

0.595

0.563

0.231

0.217

0.387667

均值

0.509

0.572

0.6300

0.557

0.437

0.383

0.514667