Research on the Degree of Coupling between the Urban Public Infrastructure System and the Urban Economic, Social, and Environmental System: A Case Study in Beijing, China

Table 15

Degree of coordination between the urban public infrastructure system and urban economic, social, and environmental system.

Years	Coordination degree C	Coupling coordination degree D	Coordination level
2000	0.9976	0.3851	Mild imbalance development
2001	0.9983	0.4214	Slightly unbalanced development
2002	0.9999	0.4773	Slightly unbalanced development
2003	0.9999	0.4943	Slightly unbalanced development
2004	0.9961	0.5413	Slightly unbalanced development
2005	0.9998	0.5721	Slightly unbalanced development
2006	0.9986	0.6478	Mild imbalance development
2007	0.9950	0.6757	Mild imbalance development
2008	0.9922	0.6850	Mild imbalance development
2009	0.9965	0.7128	Moderately balanced development
2010	0.9958	0.7315	Moderately balanced development
2011	1.0000	0.7394	Moderately balanced development
2012	1.0000	0.7458	Moderately balanced development
2013	0.9999	0.7728	Moderately balanced development
2014	0.9995	0.8003	Highly balanced development
2015	1.0000	0.8302	Highly balanced development
2016	0.9986	0.8200	Highly balanced development