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 6

Attention to air pollution and the added value, the proportion of primary, secondary, and tertiary industry in Xingtai.

Year	Attention	Industry added value (billion yuan)
		Primary		Secondary		Tertiary
2014	831	273.4	0.16	836.5	0.50	558.2	0.33
2015	965	275.6	0.16	793.6	0.45	695.5	0.39
2016	902	269.7	0.14	904.9	0.46	780.2	0.40
2017	1248	273.2	0.12	1070.1	0.48	893.0	0.40
2018	1290	265.4	0.12	876.8	0.41	1008.6	0.47
2019	1097	283.5	0.13	833.1	0.39	1003.4	0.47