Table 3.

Parameters of network analysis

Year	Density	Degree centrality	Eigenvector centrality	Betweenness centrality	Closeness centrality	Clustering coefficient
1990	0.679	0.662	0.269	0.029	0.788	0.843
1992	0.679	0.679	0.269	0.029	0.788	0.843
1995	0.795	0.795	0.273	0.019	0.855	0.874
2000	0.962	0.962	0.277	0.003	0.967	0.965
2005	0.962	0.962	0.277	0.003	0.967	0.965
2010	0.868	0.929	0.277	0.012	0.934	0.988
2015	0.879	0.941	0.277	0.012	0.934	0.988
2018	0.846	0.905	0.277	0.009	0.907	0.980

This table discusses the results of parameters of network analysis. Source: Author’s analysis using network models