ISO/IEC 27001 growth for Italy
| 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 | 374 | 374 | 374 | 374 | 374 | 374 | ||||
| 2011 | 425 | 365 | 343 | 357 | 357 | 799 | 0.759 | 0.362 | 0.969 | 1.804 |
| 2012 | 495 | 465 | 433 | 450 | 450 | 1,294 | 0.482 | 1.423 | ||
| 2013 | 901 | 592 | 546 | 566 | 566 | 2,195 | 0.528 | 1.331 | ||
| 2014 | 969 | 753 | 688 | 713 | 713 | 3,164 | 0.366 | 1.699 | ||
| 2015 | 1,013 | 959 | 867 | 898 | 898 | 4,177 | 0.278 | 1.974 | ||
| 2016 | 1,220 | 1,220 | 1,094 | 1,130 | 1,130 | 5,397 | 0.256 | 2.055 | ||
| 2017 | 958 | 1,553 | 1,379 | 1,422 | 1,422 | 6,355 | 0.163 | 2.505 | ||
| 2018 | 1,818 | 1,976 | 1,738 | 1,791 | 1,791 | 8,173 | 0.252 | 2.073 | ||
| 2019 | 2,513 | 2,515 | 2,191 | 2,254 | 2,254 | 10,686 | 0.268 | 2.010 | ||
| 2020 | 3,324 | 3,201 | 2,762 | 2,837 | 2,837 | 14,010 | 0.271 | 1.999 | ||
| 2021 | 4,074 | 3,482 | 3,572 | 3,572 | 4,074 | |||||
| 2022 | 5,186 | 4,390 | 4,496 | 4,496 | 9,260 | 0.821 | 0.402 | 0.890 | 1.673 | |
| 2023 | 6,600 | 5,534 | 5,660 | 5,660 | 15,860 | 0.538 | 1.313 | |||
| 2024 | 8,400 | 6,977 | 7,125 | 7,125 | 24,260 | 0.425 | 1.549 | |||
| 2025 | 10,692 | 8,795 | 8,969 | 8,969 | 34,952 | 0.365 | 1.701 | |||
| 2026 | 13,608 | 11,088 | 11,290 | 11,290 | 48,560 | 0.329 | 1.805 | |||
| 2027 | 17,319 | 13,978 | 14,212 | 14,212 | 65,879 | 0.305 | 1.881 | |||
| 2028 | 22,043 | 17,622 | 17,890 | 17,890 | 87,922 | 0.289 | 1.936 | |||
| 2029 | 28,055 | 22,215 | 22,520 | 22,520 | 115,977 | 0.277 | 1.977 | |||
| 2030 | 35,708 | 28,006 | 28,349 | 28,349 | 151,685 | 0.268 | 2.008 | |||
| a; β1 | −0.24118 | −0.23164 | 1.2588 | 1.25881 | ||||||
| b; β2 | 232.813 | 218.548 | 260.680 | 260.680 | ||||||
| α | 1 | 1 | ||||||||
| θ | 0.31327 | |||||||||
| MAPE (%) | 15.67% | 20.29% | 18.22% | 18.22% |
| 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 | 374 | 374 | 374 | 374 | 374 | 374 | ||||
| 2011 | 425 | 365 | 343 | 357 | 357 | 799 | 0.759 | 0.362 | 0.969 | 1.804 |
| 2012 | 495 | 465 | 433 | 450 | 450 | 1,294 | 0.482 | 1.423 | ||
| 2013 | 901 | 592 | 546 | 566 | 566 | 2,195 | 0.528 | 1.331 | ||
| 2014 | 969 | 753 | 688 | 713 | 713 | 3,164 | 0.366 | 1.699 | ||
| 2015 | 1,013 | 959 | 867 | 898 | 898 | 4,177 | 0.278 | 1.974 | ||
| 2016 | 1,220 | 1,220 | 1,094 | 1,130 | 1,130 | 5,397 | 0.256 | 2.055 | ||
| 2017 | 958 | 1,553 | 1,379 | 1,422 | 1,422 | 6,355 | 0.163 | 2.505 | ||
| 2018 | 1,818 | 1,976 | 1,738 | 1,791 | 1,791 | 8,173 | 0.252 | 2.073 | ||
| 2019 | 2,513 | 2,515 | 2,191 | 2,254 | 2,254 | 10,686 | 0.268 | 2.010 | ||
| 2020 | 3,324 | 3,201 | 2,762 | 2,837 | 2,837 | 14,010 | 0.271 | 1.999 | ||
| 2021 | 4,074 | 3,482 | 3,572 | 3,572 | 4,074 | |||||
| 2022 | 5,186 | 4,390 | 4,496 | 4,496 | 9,260 | 0.821 | 0.402 | 0.890 | 1.673 | |
| 2023 | 6,600 | 5,534 | 5,660 | 5,660 | 15,860 | 0.538 | 1.313 | |||
| 2024 | 8,400 | 6,977 | 7,125 | 7,125 | 24,260 | 0.425 | 1.549 | |||
| 2025 | 10,692 | 8,795 | 8,969 | 8,969 | 34,952 | 0.365 | 1.701 | |||
| 2026 | 13,608 | 11,088 | 11,290 | 11,290 | 48,560 | 0.329 | 1.805 | |||
| 2027 | 17,319 | 13,978 | 14,212 | 14,212 | 65,879 | 0.305 | 1.881 | |||
| 2028 | 22,043 | 17,622 | 17,890 | 17,890 | 87,922 | 0.289 | 1.936 | |||
| 2029 | 28,055 | 22,215 | 22,520 | 22,520 | 115,977 | 0.277 | 1.977 | |||
| 2030 | 35,708 | 28,006 | 28,349 | 28,349 | 151,685 | 0.268 | 2.008 | |||
| a; β1 | −0.24118 | −0.23164 | 1.2588 | 1.25881 | ||||||
| b; β2 | 232.813 | 218.548 | 260.680 | 260.680 | ||||||
| α | 1 | 1 | ||||||||
| θ | 0.31327 | |||||||||
| MAPE (%) | 15.67% | 20.29% | 18.22% | 18.22% |
Source(s): Table by authors
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