Using the Grey Model to Analyze the Impact of the Primary, Secondary, and Tertiary Industries on the Public’s Attention to Air Pollution in Three Cities

Table 14

Industrial proportion and driving factor of model in Handan, Xingtai, and Shijiazhuang.

Driving factor	Handan	Xingtai	Shijiazhuang
	2.17	1.25	0.50
Year	Proportion of industrial structure (Primary:Secondary:Tertiary)
2014	0.13:0.50:0.37	0.16:0.50:0.33	0.10:0.48:0.43
2015	0.13:0.48:0.39	0.16:0.45:0.39	0.09:0.45:0.46
2016	0.13:0.47:0.40	0.14:0.46:0.40	0.08:0.45:0.47
2017	0.11:0.49:0.40	0.12:0.48:0.40	0.07:0.45:0.47
2018	0.09:0.45:0.46	0.12:0.41:0.47	0.07:0.38:0.56
2019	0.10:0.45:0.46	0.13:0.39:0.47	0.08:0.32:0.61