A Comparative Study on the Prediction of Occupational Diseases in China with Hybrid Algorithm Combing Models

Table 2

The fitted values of GM models.

Year	Number of occupational diseases	EGM	EDGM	ODGM	DGM	Verhulst
2005	12212	12212	12212	12212	12212	12212
2006	11805	14255	14268	14136	14415	14677
2007	14296	15805	15821	15700	15954	17261
2008	13744	17523	17543	17438	17658	19855
2009	18128	19429	19452	19368	19544	22345
2010	27240	21541	21569	21511	21631	24638
2011	29879	23883	23917	23892	23941	26668
2012	27420	26480	26519	26536	26498	28404
2013	26393	29359	29406	29473	29328	29845
2014	29972	32552	32606	32735	32460	31012
2015	27389	36091	36155	36358	35926	32663
2016	29838	40015	40089	40382	39763	33222
2017	25114	44366	44452	44851	44009	33649