Table 7 ISO/IEC 27001 growth for Germany...

Table 7

ISO/IEC 27001 growth for Germany

Year	Actual data	EGM (1,1,α,θ)	EGM (1,1)	DGM (1,1,α)	DGM (1,1)	Cumulative data	RGR	RGR mean	Dt	Dt mean
2010	357	357	357	357	357	357
2011	424	345	330	338	338	781	0.783	0.364	0.938	1.771
2012	488	444	421	430	430	1,269	0.485		1.416
2013	581	571	536	548	548	1,850	0.377		1.669
2014	634	734	683	699	699	2,484	0.295		1.915
2015	994	943	871	890	890	3,478	0.337		1.782
2016	1,338	1,212	1,110	1,135	1,135	4,816	0.325		1.816
2017	1,339	1,558	1,415	1,446	1,446	6,155	0.245		2.098
2018	2,003	2,003	1,803	1,843	1,843	8,158	0.282		1.960
2019	2,095	2,575	2,298	2,349	2,349	10,253	0.229		2.169
2020	3,367	3,309	2,928	2,993	2,993	13,620	0.284		1.952
2021		4,254	3,732	3,815	3,815	4,254
2022		5,468	4,756	4,861	4,861	9,722	0.827	0.409	0.884	1.653
2023		7,029	6,061	6,196	6,196	16,751	0.544		1.302
2024		9,035	7,724	7,896	7,896	25,786	0.431		1.534
2025		11,613	9,843	10,062	10,062	37,399	0.372		1.683
2026		14,928	12,544	12,824	12,824	52,327	0.336		1.784
2027		19,188	15,987	16,342	16,342	71,515	0.312		1.857
2028		24,665	20,374	20,827	20,827	96,180	0.296		1.909
2029		31,704	25,965	26,542	26,542	127,884	0.285		1.949
2030		40,752	33,090	33,826	33,826	168,636	0.277		1.978
a; β1		−0.25107	−0.24249	1.27441	1.27441
b; β2		214.279	205.225	239.598	239.598
α		1		1
θ		0.35361
MAPE (%)		10.05%	11.91%	11.29%	11.29%

Year	Actual data	EGM (1,1,α,θ)	EGM (1,1)	DGM (1,1,α)	DGM (1,1)	Cumulative data	RGR	RGR mean	Dt	Dt mean
2010	357	357	357	357	357	357
2011	424	345	330	338	338	781	0.783	0.364	0.938	1.771
2012	488	444	421	430	430	1,269	0.485		1.416
2013	581	571	536	548	548	1,850	0.377		1.669
2014	634	734	683	699	699	2,484	0.295		1.915
2015	994	943	871	890	890	3,478	0.337		1.782
2016	1,338	1,212	1,110	1,135	1,135	4,816	0.325		1.816
2017	1,339	1,558	1,415	1,446	1,446	6,155	0.245		2.098
2018	2,003	2,003	1,803	1,843	1,843	8,158	0.282		1.960
2019	2,095	2,575	2,298	2,349	2,349	10,253	0.229		2.169
2020	3,367	3,309	2,928	2,993	2,993	13,620	0.284		1.952
2021		4,254	3,732	3,815	3,815	4,254
2022		5,468	4,756	4,861	4,861	9,722	0.827	0.409	0.884	1.653
2023		7,029	6,061	6,196	6,196	16,751	0.544		1.302
2024		9,035	7,724	7,896	7,896	25,786	0.431		1.534
2025		11,613	9,843	10,062	10,062	37,399	0.372		1.683
2026		14,928	12,544	12,824	12,824	52,327	0.336		1.784
2027		19,188	15,987	16,342	16,342	71,515	0.312		1.857
2028		24,665	20,374	20,827	20,827	96,180	0.296		1.909
2029		31,704	25,965	26,542	26,542	127,884	0.285		1.949
2030		40,752	33,090	33,826	33,826	168,636	0.277		1.978
a; β1		−0.25107	−0.24249	1.27441	1.27441
b; β2		214.279	205.225	239.598	239.598
α		1		1
θ		0.35361
MAPE (%)		10.05%	11.91%	11.29%	11.29%

Source(s): Table by authors

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