| Year | Value (ha) |
|---|---|
|
2018 |
0 |
|
2017 |
5 |
|
2016 |
4 |
|
2015 |
4 |
|
2014 |
0 |
|
2013 |
1 |
|
2012 |
0 |
|
2011 |
0 |
|
2010 |
0 |
|
2009 |
8 |