Table 4.

Fitting and prediction results of CO₂ emissions of USA

Year	data	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
2009	5289.14	5289.14	5289.14	5289.14	5289.14	5289.14	5289.14	5289.14
2010	5485.72	5453.79	5458.8	5453.91	5397.34	5453.79	5381.41	5485.72
2011	5336.44	5322.85	5324.18	5318.94	5340.07	5322.85	5347.20	5375.56
2012	5089.97	5239.79	5239.46	5239.19	5283.4	5239.79	5285.63	5284.68
2013	5249.6	5187.09	5186.15	5189.98	5227.34	5187.09	5227.87	5222.82
2014	5254.57	5153.67	5152.6	5157.66	5171.88	5153.67	5179.98	5177.19
2015	5141.41	5132.46	5131.49	5134.68	5117	5132.46	5141.41	5141.41
2016	5042.43	5119.01	5118.21	5116.87	5062.7	5119.01	5110.48	5112.17
Year	data	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
2017	4983.87	5110.47	5109.85	5101.92	5008.98	5110.47	5085.63	5087.57
2018	5116.79	5105.06	5104.59	5088.55	4955.83	5105.06	5065.69	5066.42
2019	4964.69	5101.62	5101.28	5076.05	4903.25	5101.62	5049.79	5047.92