Phytosanitary status (in %) 1986 - 2018
| Year | 1986 | 1993 | 2000 | 2007 | 2013 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Specification | |||||||||
| Trees with no damage |
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| Trees slightly damaged |
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| Considerably damaged trees |
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Health class 0
Health class 1
Combination of health classes 2 + 3 + 4. Health class 2: Moderatlely damaged trees; health class 3: severly damaged trees; health class 4: dead trees.
