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 12

The secondary industry added value in Shijiazhuang.

Year	Growth rate
	−10%	−5%	5%	10%	20%
2020	1648.5	1740.1	1923.3	2014.9	2198.0
2021	1483.7	1653.1	2019.4	2216.4	2637.6
2022	1335.3	1570.5	2120.4	2438.0	3165.2
2023	1201.8	1491.9	2226.4	2681.8	3798.2
2024	1081.6	1417.3	2337.8	2950.0	4557.9