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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 | less than 10 years ago | 23.0 | 11.7 | 57.7 | 2.5 | 56.6 | 2.4 |
| 11-20 years ago | 46.3 | 13.8 | 16.3 | 1.8 | 17.3 | 1.9 | |
| 21-30 years ago | 23.0 | 11.7 | 15.1 | 1.8 | 15.4 | 1.8 | |
| 31-40 years ago | . | . | 5.0 | 1.1 | 4.8 | 1.0 | |
| 41-50 years ago | 7.7 | 7.4 | 2.7 | 0.8 | 2.9 | 0.8 | |
| over 50 years ago | . | . | 3.2 | 0.9 | 3.1 | 0.9 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Jura | less than 10 years ago | . | . | 66.5 | 4.3 | 66.5 | 4.3 |
| 11-20 years ago | . | . | 16.8 | 3.4 | 16.8 | 3.4 | |
| 21-30 years ago | . | . | 9.3 | 2.7 | 9.3 | 2.7 | |
| 31-40 years ago | . | . | 3.2 | 1.6 | 3.2 | 1.6 | |
| 41-50 years ago | . | . | 3.4 | 1.7 | 3.4 | 1.7 | |
| over 50 years ago | . | . | 0.8 | 0.8 | 0.8 | 0.8 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Western Plateau | less than 10 years ago | . | . | 73.9 | 4.1 | 73.9 | 4.1 |
| 11-20 years ago | . | . | 9.5 | 2.7 | 9.5 | 2.7 | |
| 21-30 years ago | . | . | 5.2 | 2.1 | 5.2 | 2.1 | |
| 31-40 years ago | . | . | 3.5 | 1.7 | 3.5 | 1.7 | |
| 41-50 years ago | . | . | 4.4 | 1.9 | 4.4 | 1.9 | |
| over 50 years ago | . | . | 3.5 | 1.7 | 3.5 | 1.7 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Central Plateau | less than 10 years ago | . | . | 71.8 | 3.0 | 71.8 | 3.0 |
| 11-20 years ago | . | . | 17.7 | 2.6 | 17.7 | 2.6 | |
| 21-30 years ago | . | . | 7.8 | 1.8 | 7.8 | 1.8 | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 2.7 | 1.1 | 2.7 | 1.1 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Eastern Plateau | less than 10 years ago | . | . | 76.3 | 2.4 | 76.3 | 2.4 |
| 11-20 years ago | . | . | 14.6 | 2.0 | 14.6 | 2.0 | |
| 21-30 years ago | . | . | 5.8 | 1.3 | 5.8 | 1.3 | |
| 31-40 years ago | . | . | 2.3 | 0.9 | 2.3 | 0.9 | |
| 41-50 years ago | . | . | 0.6 | 0.5 | 0.6 | 0.5 | |
| over 50 years ago | . | . | 0.3 | 0.3 | 0.3 | 0.3 | |
| total | . | . | 100.0 | . | 100.0 | . | |
| Western Pre-Alps | less than 10 years ago | 62.3 | 17.2 | 48.5 | 4.9 | 49.5 | 4.8 |
| 11-20 years ago | . | . | 15.5 | 3.6 | 14.4 | 3.3 | |
| 21-30 years ago | . | . | 10.7 | 3.1 | 9.9 | 2.8 | |
| 31-40 years ago | 25.1 | 15.4 | 10.7 | 3.1 | 11.7 | 3.1 | |
| 41-50 years ago | 12.6 | 11.8 | 4.9 | 2.1 | 5.4 | 2.2 | |
| over 50 years ago | . | . | 9.7 | 2.9 | 9.0 | 2.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Pre-Alps | less than 10 years ago | 31.6 | 10.7 | 56.7 | 3.2 | 54.9 | 3.1 |
| 11-20 years ago | 26.3 | 10.1 | 17.6 | 2.4 | 18.2 | 2.4 | |
| 21-30 years ago | 5.3 | 5.1 | 11.4 | 2.0 | 11.0 | 1.9 | |
| 31-40 years ago | 10.5 | 7.1 | 6.1 | 1.5 | 6.4 | 1.5 | |
| 41-50 years ago | 5.3 | 5.1 | 1.6 | 0.8 | 1.9 | 0.8 | |
| over 50 years ago | 21.1 | 9.4 | 6.5 | 1.6 | 7.6 | 1.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Eastern Pre-Alps | less than 10 years ago | 25.0 | 15.3 | 51.9 | 3.7 | 50.8 | 3.6 |
| 11-20 years ago | 25.0 | 15.3 | 19.5 | 2.9 | 19.7 | 2.9 | |
| 21-30 years ago | . | . | 12.4 | 2.4 | 11.9 | 2.3 | |
| 31-40 years ago | 50.0 | 17.7 | 3.2 | 1.3 | 5.2 | 1.6 | |
| 41-50 years ago | . | . | 3.8 | 1.4 | 3.6 | 1.3 | |
| over 50 years ago | . | . | 9.2 | 2.1 | 8.8 | 2.0 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northwestern Alps | less than 10 years ago | 34.5 | 8.8 | 32.3 | 4.2 | 32.7 | 3.8 |
| 11-20 years ago | 20.7 | 7.5 | 21.8 | 3.7 | 21.6 | 3.3 | |
| 21-30 years ago | 10.3 | 5.7 | 10.5 | 2.8 | 10.4 | 2.5 | |
| 31-40 years ago | 13.8 | 6.4 | 8.9 | 2.6 | 9.8 | 2.4 | |
| 41-50 years ago | 13.8 | 6.4 | 6.4 | 2.2 | 7.8 | 2.2 | |
| over 50 years ago | 6.9 | 4.7 | 20.2 | 3.6 | 17.7 | 3.1 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Central Alps | less than 10 years ago | 42.9 | 13.3 | 34.0 | 6.7 | 35.9 | 6.0 |
| 11-20 years ago | 14.3 | 9.4 | 16.1 | 5.2 | 15.7 | 4.6 | |
| 21-30 years ago | 7.1 | 6.9 | 4.0 | 2.8 | 4.7 | 2.6 | |
| 31-40 years ago | 7.1 | 6.9 | 14.1 | 5.0 | 12.6 | 4.2 | |
| 41-50 years ago | 14.3 | 9.4 | 6.0 | 3.4 | 7.8 | 3.4 | |
| over 50 years ago | 14.3 | 9.4 | 25.9 | 6.2 | 23.3 | 5.3 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Northeastern Alps | less than 10 years ago | 41.2 | 12.0 | 36.5 | 6.1 | 37.5 | 5.4 |
| 11-20 years ago | 11.8 | 7.8 | 23.8 | 5.4 | 21.3 | 4.6 | |
| 21-30 years ago | 11.8 | 7.8 | 12.7 | 4.2 | 12.5 | 3.7 | |
| 31-40 years ago | 17.6 | 9.3 | 4.8 | 2.7 | 7.5 | 3.0 | |
| 41-50 years ago | 5.9 | 5.7 | 6.3 | 3.1 | 6.2 | 2.7 | |
| over 50 years ago | 11.8 | 7.8 | 15.9 | 4.6 | 15.0 | 4.0 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southwestern Alps | less than 10 years ago | 23.9 | 5.1 | 26.3 | 3.1 | 25.7 | 2.6 |
| 11-20 years ago | 14.1 | 4.1 | 11.9 | 2.3 | 12.4 | 2.0 | |
| 21-30 years ago | 8.4 | 3.3 | 5.9 | 1.7 | 6.6 | 1.5 | |
| 31-40 years ago | 9.9 | 3.6 | 4.9 | 1.5 | 6.2 | 1.5 | |
| 41-50 years ago | 9.9 | 3.5 | 11.9 | 2.3 | 11.4 | 1.9 | |
| over 50 years ago | 33.8 | 5.6 | 39.1 | 3.4 | 37.7 | 2.9 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southeastern Alps | less than 10 years ago | 25.0 | 6.5 | 30.9 | 2.7 | 30.1 | 2.5 |
| 11-20 years ago | 27.3 | 6.7 | 20.3 | 2.3 | 21.2 | 2.2 | |
| 21-30 years ago | 6.8 | 3.8 | 11.9 | 1.9 | 11.2 | 1.7 | |
| 31-40 years ago | 18.2 | 5.8 | 7.5 | 1.5 | 8.9 | 1.5 | |
| 41-50 years ago | 2.3 | 2.2 | 5.4 | 1.3 | 5.0 | 1.2 | |
| over 50 years ago | 20.5 | 6.1 | 24.1 | 2.5 | 23.6 | 2.3 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Southern Alps | less than 10 years ago | 8.7 | 4.8 | 12.6 | 1.9 | 12.2 | 1.8 |
| 11-20 years ago | 8.6 | 4.7 | 7.0 | 1.5 | 7.1 | 1.4 | |
| 21-30 years ago | 11.4 | 5.4 | 6.3 | 1.4 | 6.8 | 1.4 | |
| 31-40 years ago | 8.6 | 4.7 | 5.6 | 1.3 | 5.9 | 1.3 | |
| 41-50 years ago | 5.7 | 3.9 | 9.0 | 1.6 | 8.6 | 1.5 | |
| over 50 years ago | 57.1 | 8.4 | 59.6 | 2.8 | 59.3 | 2.7 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
| Switzerland | less than 10 years ago | 27.2 | 2.8 | 49.0 | 0.9 | 47.2 | 0.9 |
| 11-20 years ago | 18.6 | 2.4 | 15.7 | 0.7 | 16.0 | 0.7 | |
| 21-30 years ago | 8.9 | 1.8 | 9.7 | 0.6 | 9.6 | 0.5 | |
| 31-40 years ago | 13.3 | 2.1 | 5.0 | 0.4 | 5.7 | 0.4 | |
| 41-50 years ago | 7.7 | 1.7 | 4.4 | 0.4 | 4.7 | 0.4 | |
| over 50 years ago | 24.3 | 2.7 | 16.1 | 0.6 | 16.8 | 0.6 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | |
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