Table 1 Theil index results of construction land development intensity from 2002 to 2020.

From: Spatial differences and influence mechanisms of construction land development intensity in China, 2002–2020

Year

Theil Index

Group inner index

Theil index between groups

Northeast China

North China

Eastern China

South China

Central China

Northwest China

Southwest China

2002

0.0551

0.0381

0.0170

0.0100

0.0553

0.0493

0.0063

0.0206

0.0261

0.0604

2003

0.0479

0.0343

0.0137

0.0127

0.0577

0.0370

0.0087

0.0183

0.0366

0.0482

2004

0.0402

0.0296

0.0106

0.0273

0.0243

0.0269

0.0133

0.0211

0.0351

0.0462

2005

0.0425

0.0357

0.0068

0.0284

0.0262

0.0354

0.0579

0.0175

0.0452

0.0398

2006

0.0390

0.0319

0.0071

0.0241

0.0184

0.0299

0.0664

0.0120

0.0493

0.0298

2007

0.0312

0.0256

0.0057

0.0232

0.0136

0.0268

0.0679

0.0077

0.0317

0.0191

2008

0.0354

0.0287

0.0067

0.0370

0.0120

0.0274

0.0499

0.0143

0.0540

0.0171

2009

0.0323

0.0264

0.0059

0.0267

0.0063

0.0291

0.0068

0.0085

0.0806

0.0147

2010

0.0379

0.0353

0.0026

0.0315

0.0754

0.0255

0.0133

0.0143

0.0669

0.0155

2011

0.0319

0.0276

0.0043

0.0294

0.0112

0.0262

0.0166

0.0129

0.0770

0.0139

2012

0.0335

0.0291

0.0045

0.0227

0.0128

0.0279

0.0086

0.0150

0.0767

0.0259

2013

0.0330

0.0263

0.0067

0.0215

0.0141

0.0265

0.0169

0.0117

0.0633

0.0234

2014

0.0328

0.0257

0.0071

0.0155

0.0145

0.0260

0.0046

0.0208

0.0665

0.0230

2015

0.0344

0.0231

0.0113

0.0142

0.0045

0.0236

0.0277

0.0090

0.0573

0.0252

2016

0.0364

0.0194

0.0170

0.0178

0.0028

0.0106

0.0055

0.0091

0.0548

0.0381

2017

0.0310

0.0155

0.0155

0.0230

0.0113

0.0098

0.0008

0.0126

0.0491

0.0082

2018

0.0356

0.0189

0.0167

0.0317

0.0108

0.0136

0.0100

0.0107

0.0511

0.0128

2019

0.0453

0.0209

0.0244

0.0338

0.0244

0.0206

0.0071

0.0070

0.0419

0.0138

2020

0.0462

0.0226

0.0236

0.0497

0.0284

0.0200

0.0134

0.0095

0.0408

0.0095