Table 13.

Fitting results and prediction results of CO₂ emissions of total world

Year	data	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
2009	29,745.21	29,745.21	29,745.21	29,745.21	29,745.21	29,745.21	29,745.21	29,745.21
2010	31,085.53	31,127.57	31,087.02	31,127.78	31,085.54	31,085.54	31,097.99	31,085.61
2011	31,973.37	31,942.26	31,938.15	31,929.02	31,927.62	31,939.21	31,927.01	31,973.1
2012	32,273.53	32,394.85	32,402.62	32,395.41	32,396.32	32,394.97	32,392.79	32,434.11
2013	32,795.55	32,646.28	32,656.09	32,658.89	32,666.91	32,656.47	32,667.86	32,670.83
2014	32,804.72	32,785.96	32,794.40	32,799.41	32,814.93	32,803.29	32,826.66	32,800.37
2015	32,787.20	32,863.56	32,869.89	32,865.42	32,879.79	32,875.37	32,908.30	32,880.00
2016	32,936.07	32,906.67	32,911.08	32,886.28	32,884.68	32,895.7	32,936.07	32,936.28
Year	data	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
2017	33,279.49	32,930.62	32,933.55	32,879.78	32,844.47	32,878.79	32,925.14	32,981.3
2018	34,007.89	32,943.93	32,945.82	32,856.7	32,769.27	32,834.34	32,886.06	33,020.58
2019	34,169.00	32,951.32	32,952.52	32,823.57	32,666.30	32,769.20	32,826.52	33,056.66