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| avalanches SilvaProtect, modelled and assigned | |||||||
|---|---|---|---|---|---|---|---|
| inside perimeter | outside perimeter | total | |||||
| economic region | time of last treatment (classes of 10 years) | % | ± | % | ± | % | ± |
| Western Jura | n/a | . | . | . | . | . | . |
| less than 10 years ago | 61.7 | 13.5 | 52.2 | 2.5 | 52.5 | 2.4 | |
| 11-20 years ago | 15.3 | 10.0 | 29.0 | 2.3 | 28.5 | 2.2 | |
| 21-30 years ago | 7.7 | 7.4 | 9.2 | 1.4 | 9.1 | 1.4 | |
| 31-40 years ago | 15.3 | 10.0 | 4.7 | 1.1 | 5.0 | 1.1 | |
| 41-50 years ago | . | . | 1.5 | 0.6 | 1.4 | 0.6 | |
| over 50 years ago | . | . | 3.5 | 0.9 | 3.4 | 0.9 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Jura | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 61.4 | 4.5 | 61.4 | 4.5 | |
| 11-20 years ago | . | . | 24.4 | 3.9 | 24.4 | 3.9 | |
| 21-30 years ago | . | . | 6.6 | 2.3 | 6.6 | 2.3 | |
| 31-40 years ago | . | . | 5.9 | 2.2 | 5.9 | 2.2 | |
| 41-50 years ago | . | . | 1.7 | 1.2 | 1.7 | 1.2 | |
| over 50 years ago | . | . | . | . | . | . | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Western Plateau | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 55.4 | 4.7 | 55.4 | 4.7 | |
| 11-20 years ago | . | . | 23.6 | 4.0 | 23.6 | 4.0 | |
| 21-30 years ago | . | . | 8.7 | 2.6 | 8.7 | 2.6 | |
| 31-40 years ago | . | . | 5.2 | 2.1 | 5.2 | 2.1 | |
| 41-50 years ago | . | . | 3.5 | 1.7 | 3.5 | 1.7 | |
| over 50 years ago | . | . | 3.5 | 1.7 | 3.5 | 1.7 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Central Plateau | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 70.0 | 3.1 | 70.0 | 3.1 | |
| 11-20 years ago | . | . | 24.0 | 2.9 | 24.0 | 2.9 | |
| 21-30 years ago | . | . | 2.7 | 1.1 | 2.7 | 1.1 | |
| 31-40 years ago | . | . | 0.9 | 0.6 | 0.9 | 0.6 | |
| 41-50 years ago | . | . | 0.9 | 0.6 | 0.9 | 0.6 | |
| over 50 years ago | . | . | 1.4 | 0.8 | 1.4 | 0.8 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Eastern Plateau | n/a | . | . | . | . | . | . |
| less than 10 years ago | . | . | 73.7 | 2.5 | 73.7 | 2.5 | |
| 11-20 years ago | . | . | 18.8 | 2.2 | 18.8 | 2.2 | |
| 21-30 years ago | . | . | 5.5 | 1.3 | 5.5 | 1.3 | |
| 31-40 years ago | . | . | 1.0 | 0.6 | 1.0 | 0.6 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 1.0 | 0.6 | 1.0 | 0.6 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Western Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 12.6 | 11.8 | 33.9 | 4.7 | 32.4 | 4.5 | |
| 11-20 years ago | 37.7 | 17.2 | 27.2 | 4.4 | 27.9 | 4.3 | |
| 21-30 years ago | 37.7 | 17.2 | 17.5 | 3.8 | 19.0 | 3.7 | |
| 31-40 years ago | . | . | 4.9 | 2.1 | 4.5 | 2.0 | |
| 41-50 years ago | . | . | 4.9 | 2.1 | 4.5 | 2.0 | |
| over 50 years ago | 12.0 | 11.2 | 11.7 | 3.2 | 11.7 | 3.1 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 31.6 | 10.7 | 50.2 | 3.2 | 48.9 | 3.1 | |
| 11-20 years ago | 31.6 | 10.7 | 29.4 | 2.9 | 29.5 | 2.8 | |
| 21-30 years ago | 10.5 | 7.1 | 9.4 | 1.9 | 9.5 | 1.8 | |
| 31-40 years ago | 10.5 | 7.1 | 2.4 | 1.0 | 3.0 | 1.1 | |
| 41-50 years ago | 5.3 | 5.1 | 2.0 | 0.9 | 2.3 | 0.9 | |
| over 50 years ago | 10.5 | 7.1 | 6.5 | 1.6 | 6.8 | 1.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Pre-Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 50.0 | 17.7 | 43.8 | 3.7 | 44.0 | 3.6 | |
| 11-20 years ago | . | . | 30.3 | 3.4 | 29.0 | 3.3 | |
| 21-30 years ago | 50.0 | 17.7 | 7.6 | 1.9 | 9.3 | 2.1 | |
| 31-40 years ago | . | . | 6.5 | 1.8 | 6.2 | 1.7 | |
| 41-50 years ago | . | . | 5.9 | 1.7 | 5.7 | 1.7 | |
| over 50 years ago | . | . | 5.9 | 1.7 | 5.7 | 1.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northwestern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 34.5 | 8.8 | 39.5 | 4.4 | 38.6 | 3.9 | |
| 11-20 years ago | 27.6 | 8.3 | 21.0 | 3.7 | 22.2 | 3.4 | |
| 21-30 years ago | 24.1 | 8.0 | 9.7 | 2.7 | 12.4 | 2.7 | |
| 31-40 years ago | 6.9 | 4.7 | 7.2 | 2.3 | 7.2 | 2.1 | |
| 41-50 years ago | 3.4 | 3.4 | 7.3 | 2.3 | 6.5 | 2.0 | |
| over 50 years ago | 3.4 | 3.4 | 15.3 | 3.2 | 13.1 | 2.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 42.9 | 13.3 | 40.1 | 7.0 | 40.7 | 6.2 | |
| 11-20 years ago | 7.1 | 6.9 | 17.9 | 5.4 | 15.6 | 4.5 | |
| 21-30 years ago | 21.4 | 11.0 | 10.1 | 4.3 | 12.6 | 4.2 | |
| 31-40 years ago | 21.4 | 11.0 | 2.0 | 2.0 | 6.2 | 3.0 | |
| 41-50 years ago | . | . | 2.0 | 2.0 | 1.6 | 1.6 | |
| over 50 years ago | 7.1 | 6.9 | 27.9 | 6.3 | 23.3 | 5.3 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northeastern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 41.2 | 12.0 | 36.5 | 6.1 | 37.5 | 5.4 | |
| 11-20 years ago | 17.6 | 9.3 | 27.0 | 5.6 | 25.0 | 4.9 | |
| 21-30 years ago | 17.6 | 9.3 | 9.5 | 3.7 | 11.2 | 3.5 | |
| 31-40 years ago | 5.9 | 5.7 | 7.9 | 3.4 | 7.5 | 3.0 | |
| 41-50 years ago | 11.8 | 7.8 | 4.8 | 2.7 | 6.2 | 2.7 | |
| over 50 years ago | 5.9 | 5.7 | 14.3 | 4.4 | 12.5 | 3.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southwestern Alps | n/a | . | . | 0.5 | 0.5 | 0.4 | 0.4 |
| less than 10 years ago | 23.9 | 5.1 | 21.3 | 2.9 | 22.0 | 2.5 | |
| 11-20 years ago | 15.5 | 4.3 | 10.9 | 2.2 | 12.1 | 2.0 | |
| 21-30 years ago | 12.8 | 4.0 | 13.4 | 2.4 | 13.2 | 2.1 | |
| 31-40 years ago | 21.1 | 4.8 | 12.9 | 2.4 | 15.0 | 2.2 | |
| 41-50 years ago | 8.4 | 3.3 | 11.9 | 2.3 | 11.0 | 1.9 | |
| over 50 years ago | 18.3 | 4.6 | 29.2 | 3.2 | 26.4 | 2.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southeastern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 27.3 | 6.7 | 33.2 | 2.7 | 32.4 | 2.5 | |
| 11-20 years ago | 22.7 | 6.3 | 23.7 | 2.5 | 23.6 | 2.3 | |
| 21-30 years ago | 22.7 | 6.3 | 10.5 | 1.8 | 12.1 | 1.8 | |
| 31-40 years ago | 4.5 | 3.1 | 8.5 | 1.6 | 8.0 | 1.5 | |
| 41-50 years ago | 4.5 | 3.1 | 5.1 | 1.3 | 5.0 | 1.2 | |
| over 50 years ago | 18.2 | 5.8 | 19.0 | 2.3 | 18.9 | 2.1 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southern Alps | n/a | . | . | . | . | . | . |
| less than 10 years ago | 8.6 | 4.7 | 10.9 | 1.8 | 10.7 | 1.7 | |
| 11-20 years ago | 14.4 | 5.9 | 9.9 | 1.7 | 10.4 | 1.7 | |
| 21-30 years ago | 8.6 | 4.7 | 9.0 | 1.6 | 8.9 | 1.6 | |
| 31-40 years ago | 14.3 | 5.9 | 9.9 | 1.7 | 10.4 | 1.7 | |
| 41-50 years ago | 2.9 | 2.8 | 15.9 | 2.1 | 14.6 | 1.9 | |
| over 50 years ago | 51.4 | 8.5 | 44.3 | 2.9 | 45.0 | 2.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Switzerland | n/a | . | . | 0.0 | 0.0 | 0.0 | 0.0 |
| less than 10 years ago | 28.7 | 2.8 | 45.1 | 0.9 | 43.7 | 0.9 | |
| 11-20 years ago | 19.1 | 2.5 | 22.5 | 0.8 | 22.2 | 0.8 | |
| 21-30 years ago | 17.5 | 2.4 | 8.9 | 0.5 | 9.6 | 0.5 | |
| 31-40 years ago | 12.3 | 2.0 | 5.7 | 0.4 | 6.3 | 0.4 | |
| 41-50 years ago | 5.0 | 1.4 | 4.9 | 0.4 | 4.9 | 0.4 | |
| over 50 years ago | 17.4 | 2.3 | 12.8 | 0.6 | 13.2 | 0.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
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