| Year | Value (ha) |
|---|---|
|
2018 |
0 |
|
2017 |
38200 |
|
2016 |
30700 |
|
2015 |
25600 |
|
2014 |
8300 |
|
2013 |
4400 |
|
2012 |
2600 |
|
2011 |
2200 |
|
2010 |
1300 |
|
2009 |
1100 |