Synergetic Development Measure of Airport Groups Composite System and Its Influencing Factors Analysis: Some Evidence from China

Table 4

Global Moran’s I index value of synergy.

Year	Moran’s I	value
2013	−0.105	0.045
2014	−0.215	0.029
2015	−0.285	0.233
2016	−0.224	0.058
2017	−0.039	0.049
2018	−0.181	0.044
2019	−0.150	0.001
2020	−0.227	0.198
2021	−0.240	0.022
2022	−0.299	0.030

Note. 10% significance, 5% significance, and 1% significance.