Analysis of the Key Factors of Ecological Environment Protection in the National Economic Sustainable Development Goals

Table 3

2016–2020 indicator data of Leshan City.

Name of index	2016	2017	2018	2019	2020
Density of population	0.0272	0.0271	0.0274	0.0273	0.0275
Per capita GDP	0.535	0.578	0.629	0.863	0.982
Per capita public green space area	15.24	16.43	17.68	19.91	21.67
Road area per capita	39.71	42.75	46.63	48.72	51.71
Engel coefficient (%)	37.2	36.5	35.2	34	33.1
GDP rate of rise (%)	9.5	18.2	18.7	17.6	14.1
Urban-rural income ratio	2.25	2.23	2.21	2.19	2.14