Table 3 ISO/IEC 27001 growth for Japan...

Table 3

ISO/IEC 27001 growth for Japan

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	6,237	6,237	6,237	6,237	6,237	6,237
2011	6,914	4,859	5,000	5,060	5,060	13,151	0.746	0.285	0.986	2.072
2012	7,199	5,545	5,721	5,784	5,784	20,350	0.437		1.522
2013	7,140	6,328	6,546	6,611	6,611	27,490	0.301		1.895
2014	7,171	7,221	7,490	7,557	7,557	34,661	0.232		2.155
2015	8,240	8,240	8,571	8,638	8,638	42,901	0.213		2.238
2016	8,945	9,403	9,807	9,873	9,873	51,846	0.189		2.357
2017	9,161	10,730	11,222	11,285	11,285	61,007	0.163		2.509
2018	12,145	12,245	12,841	12,899	12,899	73,152	0.182		2.399
2019	16,848	13,973	14,693	14,744	14,744	90,000	0.207		2.267
2020	18,103	15,945	16,813	16,853	16,853	108,103	0.183		2.390
2021		18,195	19,238	19,263	19,263	18,195
2022		20,763	22,014	22,018	22,018	38,958	0.761	0.330	0.966	1.912
2023		23,694	25,189	25,167	25,167	62,652	0.475		1.437
2024		27,038	28,823	28,766	28,766	89,690	0.359		1.718
2025		30,854	32,980	32,880	32,880	120,544	0.296		1.912
2026		35,208	37,738	37,583	37,583	155,752	0.256		2.055
2027		40,178	43,182	42,958	42,958	195,930	0.229		2.165
2028		45,848	49,411	49,101	49,101	241,778	0.210		2.253
2029		52,319	56,539	56,123	56,123	294,097	0.196		2.323
2030		59,704	64,695	64,150	64,150	353,801	0.185		2.381
a; β1		−0.13203	−0.13475	1.14302	1.14302
b; β2		3,722.141	3,829.922	4,168.496	4,168.496
α		1		1
θ		0.67579
MAPE (%)		11.68%	12.28%	12.32%	12.32%

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	6,237	6,237	6,237	6,237	6,237	6,237
2011	6,914	4,859	5,000	5,060	5,060	13,151	0.746	0.285	0.986	2.072
2012	7,199	5,545	5,721	5,784	5,784	20,350	0.437		1.522
2013	7,140	6,328	6,546	6,611	6,611	27,490	0.301		1.895
2014	7,171	7,221	7,490	7,557	7,557	34,661	0.232		2.155
2015	8,240	8,240	8,571	8,638	8,638	42,901	0.213		2.238
2016	8,945	9,403	9,807	9,873	9,873	51,846	0.189		2.357
2017	9,161	10,730	11,222	11,285	11,285	61,007	0.163		2.509
2018	12,145	12,245	12,841	12,899	12,899	73,152	0.182		2.399
2019	16,848	13,973	14,693	14,744	14,744	90,000	0.207		2.267
2020	18,103	15,945	16,813	16,853	16,853	108,103	0.183		2.390
2021		18,195	19,238	19,263	19,263	18,195
2022		20,763	22,014	22,018	22,018	38,958	0.761	0.330	0.966	1.912
2023		23,694	25,189	25,167	25,167	62,652	0.475		1.437
2024		27,038	28,823	28,766	28,766	89,690	0.359		1.718
2025		30,854	32,980	32,880	32,880	120,544	0.296		1.912
2026		35,208	37,738	37,583	37,583	155,752	0.256		2.055
2027		40,178	43,182	42,958	42,958	195,930	0.229		2.165
2028		45,848	49,411	49,101	49,101	241,778	0.210		2.253
2029		52,319	56,539	56,123	56,123	294,097	0.196		2.323
2030		59,704	64,695	64,150	64,150	353,801	0.185		2.381
a; β1		−0.13203	−0.13475	1.14302	1.14302
b; β2		3,722.141	3,829.922	4,168.496	4,168.496
α		1		1
θ		0.67579
MAPE (%)		11.68%	12.28%	12.32%	12.32%

Source(s): Table by authors

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