Table 11.

Metrics of models in Case 4.

MAPE	GM(1,1)	Verhulst	ARGM(1,1)	ONGM(1,1)	ENGM(1,1)	ARIMA	GRM(1,1)	GERM(1,1,$e^{at}$)
MAPESIM	2.8280	51.8554	3.0286	2.6521	2.6664	1.4243	2.8294	2.6248
MAPEPRE	2.7481	40.7817	3.9221	1.0399	1.8335	7.0740	2.7735	0.9023
MAPETOT	2.8149	50.0351	3.1755	2.3871	2.5295	2.3530	2.8202	2.3416