Table 2.

Spillover effects between segments of the spatially correlated network of ACEE in Chinese cities.

Year	Block	Number of relationships				Number of provinces	Number of spillover relationships	Number of receiving relationships	Desired internal relationship ratio(%)	Proportion of actual internal relationships(%)
		I	II	III	IV
2001	I	10	9	48	0	6	57	55	17.86	14.93
	II	10	21	65	0	10	75	52	32.14	21.88
	III	45	41	22	0	12	86	113	39.29	20.37
	IV	0	2	0	0	2	2	0	3.57	0.00
2008	I	25	0	59	54	10	113	81	32.14	18.12
	II	0	0	0	1	3	1	0	7.14	0.00
	III	39	0	8	26	9	65	93	28.57	10.96
	IV	42	0	34	6	8	76	81	25.00	7.32
2015	I	24	8	79	1	13	88	70	42.86	21.43
	II	3	14	29	0	7	32	44	21.43	30.43
	III	65	35	19	0	8	100	108	25.00	15.97
	IV	2	1	0	0	2	3	1	3.57	0.00
2022	I	18	22	15	0	10	37	65	32.14	32.73
	II	11	7	1	0	12	12	59	39.29	36.84
	III	54	37	13	0	6	91	16	17.86	12.50
	IV	0	0	0	0	2	0	0	3.57	0.00