| Year | Value (kg/ha) |
|---|---|
|
2017 |
13585 |
|
2016 |
13652 |
|
2015 |
13757 |
|
2014 |
13466 |
|
2013 |
13932 |
|
2012 |
13819 |
|
2011 |
14014 |
|
2010 |
14000 |
|
2009 |
14162 |
|
2008 |
13958 |