| Year | Value (kg/ha) |
|---|---|
|
2023 |
179 |
|
2022 |
175 |
|
2021 |
173 |
|
2020 |
170 |
|
2019 |
167 |
|
2018 |
165 |
|
2017 |
162 |
|
2016 |
159 |
|
2015 |
156 |
|
2014 |
157 |