| Year | Value (kg/ha) |
|---|---|
|
2017 |
7771 |
|
2016 |
7776 |
|
2015 |
8102 |
|
2014 |
8041 |
|
2013 |
7482 |
|
2012 |
7363 |
|
2011 |
7583 |
|
2010 |
7848 |
|
2009 |
8160 |
|
2008 |
7631 |