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| rockfall SilvaProtect, modelled and assigned | |||||||
|---|---|---|---|---|---|---|---|
| inside perimeter | outside perimeter | total | |||||
| economic region | time of last treatment (classes of 10 years) | % | ± | % | ± | % | ± |
| Western Jura | less than 10 years ago | 36.9 | 11.1 | 54.1 | 1.7 | 53.7 | 1.7 |
| 11-20 years ago | 15.8 | 8.4 | 18.5 | 1.3 | 18.5 | 1.3 | |
| 21-30 years ago | 10.5 | 7.0 | 15.5 | 1.2 | 15.3 | 1.2 | |
| 31-40 years ago | 15.8 | 8.4 | 4.8 | 0.7 | 5.0 | 0.7 | |
| 41-50 years ago | 10.5 | 7.0 | 1.7 | 0.4 | 1.9 | 0.5 | |
| over 50 years ago | 10.5 | 7.0 | 5.5 | 0.8 | 5.6 | 0.8 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Jura | less than 10 years ago | 100.0 | . | 63.7 | 3.0 | 63.8 | 3.0 |
| 11-20 years ago | . | . | 18.2 | 2.5 | 18.1 | 2.5 | |
| 21-30 years ago | . | . | 9.9 | 1.9 | 9.9 | 1.9 | |
| 31-40 years ago | . | . | 2.8 | 1.1 | 2.8 | 1.1 | |
| 41-50 years ago | . | . | 4.5 | 1.3 | 4.5 | 1.3 | |
| over 50 years ago | . | . | 0.8 | 0.6 | 0.8 | 0.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Western Plateau | less than 10 years ago | . | . | 68.7 | 2.9 | 68.7 | 2.9 |
| 11-20 years ago | . | . | 13.6 | 2.1 | 13.6 | 2.1 | |
| 21-30 years ago | . | . | 8.3 | 1.7 | 8.3 | 1.7 | |
| 31-40 years ago | . | . | 3.0 | 1.1 | 3.0 | 1.1 | |
| 41-50 years ago | . | . | 3.0 | 1.1 | 3.0 | 1.1 | |
| over 50 years ago | . | . | 3.4 | 1.1 | 3.4 | 1.1 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Central Plateau | less than 10 years ago | . | . | 72.5 | 2.2 | 72.4 | 2.2 |
| 11-20 years ago | 100.0 | . | 16.3 | 1.8 | 16.5 | 1.8 | |
| 21-30 years ago | . | . | 7.8 | 1.3 | 7.8 | 1.3 | |
| 31-40 years ago | . | . | 1.5 | 0.6 | 1.5 | 0.6 | |
| 41-50 years ago | . | . | 0.2 | 0.2 | 0.2 | 0.2 | |
| over 50 years ago | . | . | 1.7 | 0.6 | 1.7 | 0.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Plateau | less than 10 years ago | . | . | 77.3 | 1.7 | 77.3 | 1.7 |
| 11-20 years ago | . | . | 13.6 | 1.4 | 13.6 | 1.4 | |
| 21-30 years ago | . | . | 5.7 | 0.9 | 5.7 | 0.9 | |
| 31-40 years ago | . | . | 2.0 | 0.6 | 2.0 | 0.6 | |
| 41-50 years ago | . | . | 0.8 | 0.4 | 0.8 | 0.4 | |
| over 50 years ago | . | . | 0.6 | 0.3 | 0.6 | 0.3 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Western Pre-Alps | less than 10 years ago | 100.0 | . | 42.7 | 3.2 | 43.2 | 3.2 |
| 11-20 years ago | . | . | 19.5 | 2.5 | 19.3 | 2.5 | |
| 21-30 years ago | . | . | 10.6 | 2.0 | 10.5 | 1.9 | |
| 31-40 years ago | . | . | 10.2 | 1.9 | 10.1 | 1.9 | |
| 41-50 years ago | . | . | 6.1 | 1.5 | 6.1 | 1.5 | |
| over 50 years ago | . | . | 11.0 | 2.0 | 10.9 | 2.0 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Pre-Alps | less than 10 years ago | 12.5 | 11.7 | 55.9 | 2.1 | 55.3 | 2.1 |
| 11-20 years ago | 37.5 | 17.1 | 15.3 | 1.5 | 15.6 | 1.5 | |
| 21-30 years ago | 12.5 | 11.7 | 10.8 | 1.3 | 10.9 | 1.3 | |
| 31-40 years ago | . | . | 5.9 | 1.0 | 5.8 | 1.0 | |
| 41-50 years ago | . | . | 2.6 | 0.7 | 2.5 | 0.7 | |
| over 50 years ago | 37.5 | 17.1 | 9.6 | 1.3 | 10.0 | 1.3 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Pre-Alps | less than 10 years ago | . | . | 48.0 | 2.4 | 47.6 | 2.4 |
| 11-20 years ago | 33.3 | 27.2 | 18.9 | 1.9 | 19.0 | 1.9 | |
| 21-30 years ago | 33.3 | 27.2 | 13.4 | 1.7 | 13.6 | 1.7 | |
| 31-40 years ago | 33.3 | 27.2 | 6.2 | 1.2 | 6.4 | 1.2 | |
| 41-50 years ago | . | . | 3.4 | 0.9 | 3.3 | 0.9 | |
| over 50 years ago | . | . | 10.1 | 1.5 | 10.0 | 1.5 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northwestern Alps | less than 10 years ago | 27.7 | 10.6 | 27.7 | 2.5 | 27.7 | 2.4 |
| 11-20 years ago | 22.2 | 9.8 | 21.5 | 2.3 | 21.5 | 2.2 | |
| 21-30 years ago | 22.2 | 9.8 | 12.5 | 1.8 | 13.0 | 1.8 | |
| 31-40 years ago | . | . | 11.2 | 1.8 | 10.6 | 1.7 | |
| 41-50 years ago | 5.6 | 5.4 | 7.8 | 1.5 | 7.7 | 1.4 | |
| over 50 years ago | 22.2 | 9.8 | 19.3 | 2.2 | 19.5 | 2.2 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Alps | less than 10 years ago | 47.4 | 11.5 | 39.1 | 4.3 | 40.2 | 4.1 |
| 11-20 years ago | 15.8 | 8.4 | 16.4 | 3.3 | 16.3 | 3.1 | |
| 21-30 years ago | . | . | 5.5 | 2.0 | 4.8 | 1.8 | |
| 31-40 years ago | 26.3 | 10.1 | 10.2 | 2.7 | 12.3 | 2.7 | |
| 41-50 years ago | 5.3 | 5.1 | 6.2 | 2.1 | 6.1 | 2.0 | |
| over 50 years ago | 5.3 | 5.1 | 22.6 | 3.7 | 20.3 | 3.3 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northeastern Alps | less than 10 years ago | 35.3 | 11.6 | 34.7 | 3.7 | 34.8 | 3.6 |
| 11-20 years ago | 23.5 | 10.3 | 17.9 | 3.0 | 18.4 | 2.9 | |
| 21-30 years ago | 23.5 | 10.3 | 12.3 | 2.6 | 13.4 | 2.5 | |
| 31-40 years ago | . | . | 7.4 | 2.1 | 6.7 | 1.9 | |
| 41-50 years ago | 5.9 | 5.7 | 6.1 | 1.9 | 6.1 | 1.8 | |
| over 50 years ago | 11.8 | 7.8 | 21.6 | 3.2 | 20.6 | 3.0 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southwestern Alps | less than 10 years ago | 13.1 | 5.5 | 21.3 | 1.7 | 20.9 | 1.6 |
| 11-20 years ago | 13.1 | 5.5 | 12.2 | 1.3 | 12.3 | 1.3 | |
| 21-30 years ago | 10.5 | 5.0 | 11.4 | 1.3 | 11.4 | 1.2 | |
| 31-40 years ago | 8.0 | 4.4 | 9.8 | 1.2 | 9.7 | 1.2 | |
| 41-50 years ago | 23.6 | 6.9 | 9.9 | 1.2 | 10.7 | 1.2 | |
| over 50 years ago | 31.5 | 7.5 | 35.3 | 1.9 | 35.1 | 1.9 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southeastern Alps | less than 10 years ago | 13.7 | 7.4 | 28.7 | 1.6 | 28.3 | 1.6 |
| 11-20 years ago | 27.1 | 9.5 | 20.0 | 1.4 | 20.2 | 1.4 | |
| 21-30 years ago | 4.5 | 4.4 | 15.0 | 1.3 | 14.7 | 1.2 | |
| 31-40 years ago | 18.2 | 8.2 | 7.5 | 0.9 | 7.8 | 0.9 | |
| 41-50 years ago | 4.5 | 4.4 | 4.3 | 0.7 | 4.3 | 0.7 | |
| over 50 years ago | 31.9 | 10.0 | 24.4 | 1.5 | 24.6 | 1.5 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southern Alps | less than 10 years ago | 11.2 | 4.0 | 11.8 | 1.1 | 11.7 | 1.1 |
| 11-20 years ago | 3.2 | 2.2 | 8.1 | 1.0 | 7.8 | 0.9 | |
| 21-30 years ago | 8.0 | 3.4 | 11.0 | 1.1 | 10.8 | 1.1 | |
| 31-40 years ago | 6.4 | 3.1 | 7.7 | 0.9 | 7.6 | 0.9 | |
| 41-50 years ago | 6.4 | 3.1 | 8.0 | 1.0 | 7.8 | 0.9 | |
| over 50 years ago | 64.9 | 6.0 | 53.4 | 1.8 | 54.2 | 1.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Switzerland | less than 10 years ago | 22.1 | 2.9 | 44.4 | 0.6 | 43.7 | 0.6 |
| 11-20 years ago | 15.1 | 2.5 | 15.9 | 0.5 | 15.8 | 0.4 | |
| 21-30 years ago | 10.3 | 2.1 | 11.4 | 0.4 | 11.3 | 0.4 | |
| 31-40 years ago | 9.6 | 2.0 | 6.2 | 0.3 | 6.3 | 0.3 | |
| 41-50 years ago | 8.9 | 1.9 | 4.4 | 0.3 | 4.6 | 0.3 | |
| over 50 years ago | 33.9 | 3.2 | 17.8 | 0.4 | 18.3 | 0.4 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
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