Variable

Symbol

Unit

Mean

Std.dev

Min

Max

Observation

PM2.5 emission

PM2.5

μg/m³

47.500

20.320

12.790

92.750

378

Population density

POPD

People/km²

548.655

651.834

19.822

3825.895

378

GDP Per capita

GDPP

Yuan

42.500

37.610

4.980

173.340

378

Energy intensity

ENI

104 tce

1.273

1.247

0.051

9.485

378

Exports per capita

EXP

Yuan

7,454,271

1.13e+07

99,415.45

5.77e+07

378

Structure of energy consumption

SEC

%

0.962

0.358

0.170

2.306

378

Private vehicles

PVEH

104 units

176.016

234.425

0.920

1351.830

378