| Year | Value (kg/ha) |
|---|---|
|
2017 |
2000 |
|
2016 |
2000 |
|
2015 |
2000 |
|
2014 |
2000 |
|
2013 |
2000 |
|
2012 |
2000 |
|
2011 |
2000 |
|
2010 |
2000 |
|
2009 |
2000 |
|
2008 |
2000 |