| Year | Value (ha) |
|---|---|
|
2018 |
0 |
|
2017 |
21282 |
|
2016 |
21262 |
|
2015 |
20345 |
|
2014 |
20000 |
|
2013 |
21000 |
|
2012 |
21500 |
|
2011 |
21000 |
|
2010 |
19000 |
|
2009 |
16000 |