| Year | Value (ha) |
|---|---|
|
2023 |
17 |
|
2022 |
17 |
|
2021 |
17 |
|
2020 |
20 |
|
2019 |
19 |
|
2018 |
19 |
|
2017 |
18 |
|
2016 |
18 |
|
2015 |
17 |
|
2014 |
15 |