Influential Nodes in the OBOR Fossil Energy Trade Network Based on D-S Theory: Detection and Evolution Analysis

Table 2

Influences of removing the top nodes on the network efficiency when using the EVC ranking.

2013		2014		2015		2016		2017		2018
Removed node	EffC (k)	Removed node	EffC (k)	Removed node	EffC (k)	Removed node	EffC (k)	Removed node	EffC (k)	Removed node	EffC (k)
Russia	0.134	Ukraine	−0.042	Thailand	0.052	Czechia	−0.025	Serbia	−0.048	Czechia	0.044
Thailand	0.038	Czechia	−0.030	Czechia	−0.008	North Macedonia	−0.054	Slovakia	−0.022	Slovakia	0.037
Ukraine	−0.044	Slovakia	−0.032	Georgia	−0.047	Thailand	0.036	Czechia	−0.016	Bulgaria	0.022
Czechia	−0.041	Egypt	−0.055	North Macedonia	−0.057	Slovakia	−0.022	Bulgaria	−0.037	Serbia	0.012
Slovakia	−0.036	Kazakhstan	−0.015	Bulgaria	−0.048	Bulgaria	−0.038	Thailand	0.041	Bosnia herzegovina	0.017
Egypt	−0.064	Russia	0.058	Armenia	−0.056	Serbia	−0.053	North Macedonia	−0.049	China	0.104
Kazakhstan	−0.016	Serbia	−0.060	Slovakia	−0.011	Kazakhstan	−0.032	Bosnia herzegovina	−0.049	Russia	0.185
Myanmar	−0.017	China	0.132	Kazakhstan	−0.012	Russia	0.133	Kazakhstan	−0.049	Kazakhstan	0.034
Serbia	−0.066	Uzbekistan	−0.060	Russia	0.055	Romania	−0.036	Russia	0.111	North Macedonia	0.012
Lebanon	−0.067	Lebanon	−0.061	Azerbaijan	−0.010	Bosnia herzegovina	−0.054	Ukraine	−0.025	Romania	0.032
Moldova	−0.066	Thailand	0.011	Viet Nam	−0.034	Egypt	−0.034	Uzbekistan	−0.017	Uzbekistan	0.050
Azerbaijan	−0.013	Saudi Arabia	−0.069	Romania	−0.035	Lithuania	−0.044	Singapore	0.026	Greece	0.025
Saudi Arabia	−0.081	Azerbaijan	−0.024	Serbia	−0.057	Singapore	−0.003	Romania	−0.031	Indonesia	0.072
Romania	−0.043	Kyrgyzstan	−0.060	Egypt	−0.049	Estonia	−0.054	Montenegro	−0.049	Thailand	0.088
Turkey	−0.057	Bulgaria	−0.059	Ukraine	−0.039	Qatar	−0.024	Qatar	−0.008	Croatia	0.017