[Retracted] Risk Evaluation Study of Urban Rail Transit Network Based on Entropy-TOPSIS-Coupling Coordination Model

Table 6

Combined risk index and ranking of urban rail transit coupled systems, 2000–2016.

Year	TOPSIS value	Sorted
2000	0	17
2001	0.032291135	16
2002	0.055527455	15
2003	0.122951141	14
2004	0.164184398	13
2005	0.208533961	12
2006	0.255951377	11
2007	0.323101496	10
2008	0.3892544	9
2009	0.521650975	8
2010	0.612688027	7
2011	0.65000222	6
2012	0.709916021	5
2013	0.766845372	4
2014	0.830907081	3
2015	0.896998925	2
2016	1	1