SD Simulation Research on the Green Low-Carbon Development of Coal Enterprises

Table 1

Historical value testing.

Year	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015
Real value	145000	175300	148700	149861	160255	129254	124866	126231	114320	105000
Simulated value	153205	161213	134311	150901	148430	126336	117049	124041	121678	107923
Error rate	−0.0566	0.0804	0.0968	−0.0069	0.0739	0.0226	0.0626	0.0173	−0.0644	−0.0278
Average error	0.0198