Table 4 ISO/IEC 27001 growth for China...

Table 4

ISO/IEC 27001 growth for China

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	509	509	509	509	509	509
2011	664	459	604	371	635	1,173	0.835	0.441	0.874	1.556
2012	790	668	857	624	902	1,963	0.515		1.357
2013	965	965	1,216	965	1,282	2,928	0.400		1.610
2014	1,210	1,389	1,725	1,441	1,821	4,138	0.346		1.755
2015	1,469	1,994	2,447	2,111	2,588	5,607	0.304		1.885
2016	2,618	2,858	3,471	3,056	3,676	8,225	0.383		1.652
2017	5,069	4,091	4,923	4,387	5,224	13,294	0.480		1.427
2018	7,612	5,849	6,983	6,261	7,422	20,906	0.453		1.486
2019	8,357	8,357	9,905	8,892	10,545	29,263	0.336		1.783
2020	12,489	11,933	14,050	12,583	14,983	41,752	0.355		1.728
2021		17,029	19,930	17,754	21,289	17,029
2022		24,292	28,270	24,989	30,247	41,321	0.886	0.485	0.814	1.459
2023		34,640	40,100	35,100	42,977	75,961	0.609		1.189
2024		49,380	56,880	49,216	61,063	125,341	0.501		1.385
2025		70,372	80,682	68,904	86,760	195,713	0.446		1.501
2026		100,263	114,444	96,342	123,272	295,976	0.414		1.576
2027		142,819	162,335	134,551	175,149	438,795	0.394		1.625
2028		203,399	230,266	187,720	248,857	642,194	0.381		1.658
2029		289,624	326,624	261,663	353,585	931,818	0.372		1.681
2030		412,338	463,303	364,432	502,386	1,344,156	0.366		1.697
a; β1		−0.35019	−0.34957	1.37186	1.42083
b; β2		188.415	326.972	181.652	420.702
α		0.93717		0.70528
θ		0.92309
MAPE (%)		15.30%	22.74%	18.30%	27.02%

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	509	509	509	509	509	509
2011	664	459	604	371	635	1,173	0.835	0.441	0.874	1.556
2012	790	668	857	624	902	1,963	0.515		1.357
2013	965	965	1,216	965	1,282	2,928	0.400		1.610
2014	1,210	1,389	1,725	1,441	1,821	4,138	0.346		1.755
2015	1,469	1,994	2,447	2,111	2,588	5,607	0.304		1.885
2016	2,618	2,858	3,471	3,056	3,676	8,225	0.383		1.652
2017	5,069	4,091	4,923	4,387	5,224	13,294	0.480		1.427
2018	7,612	5,849	6,983	6,261	7,422	20,906	0.453		1.486
2019	8,357	8,357	9,905	8,892	10,545	29,263	0.336		1.783
2020	12,489	11,933	14,050	12,583	14,983	41,752	0.355		1.728
2021		17,029	19,930	17,754	21,289	17,029
2022		24,292	28,270	24,989	30,247	41,321	0.886	0.485	0.814	1.459
2023		34,640	40,100	35,100	42,977	75,961	0.609		1.189
2024		49,380	56,880	49,216	61,063	125,341	0.501		1.385
2025		70,372	80,682	68,904	86,760	195,713	0.446		1.501
2026		100,263	114,444	96,342	123,272	295,976	0.414		1.576
2027		142,819	162,335	134,551	175,149	438,795	0.394		1.625
2028		203,399	230,266	187,720	248,857	642,194	0.381		1.658
2029		289,624	326,624	261,663	353,585	931,818	0.372		1.681
2030		412,338	463,303	364,432	502,386	1,344,156	0.366		1.697
a; β1		−0.35019	−0.34957	1.37186	1.42083
b; β2		188.415	326.972	181.652	420.702
α		0.93717		0.70528
θ		0.92309
MAPE (%)		15.30%	22.74%	18.30%	27.02%

Source(s): Table by authors

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