province

Prefecture-level city

2013

2016

2019

2021

Jiangsu

Nanjing

0.399

0.406

0.498

0.498

Wuxi

0.386

0.433

0.462

0.492

Changzhou

0.400

0.415

0.470

0.491

Suzhou

0.423

0.429

0.461

0.491

Nantong

0.403

0.440

0.512

0.495

Yancheng

0.399

0.430

0.512

0.491

Yangzhou

0.382

0.413

0.466

0.472

Zhenjiang

0.404

0.446

0.453

0.490

Taizhou

0.369

0.442

0.476

0.494

Mean value

0.396

0.428

0.479

0.490

Zhejiang

Hangzhou

0.408

0.460

0.500

0.492

Ningbo

0.424

0.448

0.475

0.508

Wenzhou

0.376

0.440

0.458

0.494

Jiaxing

0.391

0.448

0.467

0.481

Huzhou

0.391

0.416

0.464

0.481

Shaoxing

0.366

0.423

0.450

0.472

Jinhua

0.364

0.416

0.447

0.475

Zhoushan

0.401

0.443

0.452

0.480

Taizhou

0.406

0.446

0.467

0.466

Mean value

0.392

0.438

0.464

0.483

Anhui

Hefei

0.271

0.311

0.360

0.389

Wuhu

0.187

0.227

0.315

0.325

Maanshan

0.235

0.217

0.270

0.316

Tongling

0.207

0.227

0.312

0.309

Anqing

0.169

0.298

0.301

0.356

Chuzhou

0.191

0.259

0.282

0.321

Chizhou

0.182

0.284

0.339

0.349

Xuancheng

0.261

0.243

0.307

0.360

Mean value

0.213

0.258

0.311

0.341