TABLE 1. Structural Metrics of Layers.

ID		Degree	Clust. C.	Triangles	Closeness C.	Betweenies C.	Diam.	Path L.
L1	Av.	35.630	0.933	822.361	0.812	0.832	2	1.042
	Var.	421.636	0.012	335328.341	0.042	0.047
	Low L.	34.178	0.921	741.032	0.742	0.815
	High L.	40.083	0.945	921.225	0.842	0.845
L2	Av.	38.761	0.215	823.263	0.815	0.842	3	1.099
	Var.	422.462	0.092	383342.402	0.0624	0.049
	Low L.	33.712	0.159	729.631	0.763	0.832
	High L.	43.826	0.271	916.831	0.831	0.853
L3	Av.	37.405	0.946	837.774	0.824	0.856	4	1.322
	Var.	423.726	0.015	395358.351	0.064	0.051
	Low L.	34.515	0.929	749.520	0.789	0.824
	High L.	40.294	0.964	926.028	0.860	0.888
L4	Av.	190.342	0.992	20129.969	0.971	0.985	2	1.056
	Var.	4.841	0.001	4842.545	0.001	0.002
	Low L.	186.893	0.989	20120.201	0.970	0.984
	High L.	193.257	0.994	20139.736	0.973	0.986
L5.1	Av.	3.437	0.191	5.964	0.203	0.203	1	1
	Var.	10.066	0.145	217.914	0.029	0.029
	Low L.	2.991	0.138	3.892	0.146	0.146
	High L.	3.882	0.245	8.036	0.260	0.260
L5.2	Av.	54.869	0.654	1239.767	0.549	0.634	3	1.86
	Var.	883.359	0.022	883668.239	0.020	0.028
	Low L.	50.697	0.633	1107.825	0.529	0.610
	High L.	59.040	0.675	1371.709	0.569	0.657