Measurement of the Industrial Collaboration of the Diversified Coal Industry: China Coal Energy Company as an Example

Table 5

The order degree of each subsystem.

Subsystem	2007	2008	2009	2010	2011	2012	2013	2014
Coal-electric subsystem	0.3702	0.4048	0.3014	0.5444	0.4854	0.4008	0.2510	0.411
Coal-chemical subsystem	0.3905	0.4561	0.3614	0.3177	0.3717	0.2653	0.3296	0.3188
Coal-equipment subsystem	0.5634	0.5920	0.5669	0.4321	0.4931	0.4273	0.3720	0.3459