| Year | Value (ha) |
|---|---|
|
2023 |
9 |
|
2022 |
9 |
|
2021 |
9 |
|
2020 |
10 |
|
2019 |
9 |
|
2018 |
10 |
|
2017 |
10 |
|
2016 |
10 |
|
2015 |
10 |
|
2014 |
11 |