Table 3 Global Moran’s I of CP for the years 2008–2021.

From: Spatiotemporal evolution patterns of the coupling of carbon productivity and high-quality economic development in China

Year

I

Sd(I)

Z

P value

2008

0.3174

0.092

3.8267

0.0001

2009

0.3599

0.0916

4.3053

0.0000

2010

0.3274

0.0901

4.0153

0.0001

2011

0.3380

0.0883

4.2185

0.0000

2012

0.3511

0.0896

4.3031

0.0000

2013

0.3197

0.0879

4.0299

0.0001

2014

0.3538

0.0892

4.3518

0.0000

2015

0.3211

0.0884

4.0229

0.0001

2016

0.3373

0.0861

4.3192

0.0000

2017

0.3087

0.0841

4.082

0.0000

2018

0.2944

0.0847

3.8826

0.0001

2019

0.2669

0.084

3.5878

0.0003

2020

0.2399

0.0848

3.2369

0.0012

2021

0.2322

0.0811

3.2893

0.0010