Year	kg per hectare
2006	2971.2
2007	1992.4
2008	3239.7
2009	3347.9
2010	3321.4
2011	3305.7
2012	2638.8
2013	3770.5
2014	3451.5
2015	3146.5
2016	3261.7
2017	3288
2018	3311.8
2019	3166.8
2020	3260
2021	3193.4
2022	3307.2