Table 2.

Summary statistics referred to 2019

Variable	Mean	Std. dev.	Min	Max
Network centrality
Degree	50.62	5.223	27	54
Betweenness	0.0011	0.0008	0	0.0019
Local clustering	0.0022	0.0026	0.0001	0.0122
Weighted Eigenvector	0.109	0.198	0.0002	1
Strength (:10${}^9$)	53.71	96.00	0.130	485.9
Additional regressors
GDPPC	27085.33	26413.5	809.36	111062.3
POP (mln)	53.754	187.62	0.3613	1366.4
POP65+	0.147	0.063	0.026	0.280
HBEDS	4.031	2.375	0.600	13.40
TEMP (C)	6.181	10.89	− 20.99	26.80