Table 2 Standardized data sheets Year... | Emerald Publishing

Table 2

Standardized data sheets

Year	Total energy demand	GDP overall amount	Percentage of output in the secondary sector	Total population	Coefficient of elasticity of energy demand	Demand for coal
Year	X₁ (tons of standard coal)	X₂ (billions of dollars)	X₃ (%)	X₄ (in tens of thousands)	X₅	X₆ (tons of standard coal)
2010	0.0000	0.0000	1.0000	0.0000	0.6173	0.0000
2011	0.1616	0.1036	0.7823	0.1151	0.7037	0.5046
2012	0.2540	0.1729	0.7016	0.2554	0.3704	0.5903
2013	0.3444	0.2472	0.6411	0.3676	0.3457	0.7164
2014	0.4144	0.3164	0.5242	0.4959	0.2099	0.7357
2015	0.4497	0.3783	0.2863	0.5907	0.0000	0.6245
2016	0.4949	0.4569	0.1371	0.7171	0.0741	0.5707
2017	0.5827	0.5740	0.0645	0.8258	0.3333	0.6077
2018	0.6812	0.6933	0.0726	0.8997	0.4074	0.6580
2019	0.7765	0.7852	0.0000	0.9648	0.4444	0.7228
2020	0.8428	0.8222	0.4315	0.9933	1.0000	0.7744
2021	1.0000	1.0000	0.2339	1.0000	0.5556	1.0000

Year	Total energy demand	GDP overall amount	Percentage of output in the secondary sector	Total population	Coefficient of elasticity of energy demand	Demand for coal
Year	X₁ (tons of standard coal)	X₂ (billions of dollars)	X₃ (%)	X₄ (in tens of thousands)	X₅	X₆ (tons of standard coal)
2010	0.0000	0.0000	1.0000	0.0000	0.6173	0.0000
2011	0.1616	0.1036	0.7823	0.1151	0.7037	0.5046
2012	0.2540	0.1729	0.7016	0.2554	0.3704	0.5903
2013	0.3444	0.2472	0.6411	0.3676	0.3457	0.7164
2014	0.4144	0.3164	0.5242	0.4959	0.2099	0.7357
2015	0.4497	0.3783	0.2863	0.5907	0.0000	0.6245
2016	0.4949	0.4569	0.1371	0.7171	0.0741	0.5707
2017	0.5827	0.5740	0.0645	0.8258	0.3333	0.6077
2018	0.6812	0.6933	0.0726	0.8997	0.4074	0.6580
2019	0.7765	0.7852	0.0000	0.9648	0.4444	0.7228
2020	0.8428	0.8222	0.4315	0.9933	1.0000	0.7744
2021	1.0000	1.0000	0.2339	1.0000	0.5556	1.0000