Year	kilograms per hectare of arable land
2002	242.88193714200713
2003	246.288824183621
2004	261.2351662789671
2005	268.523246986619
2006	269.97737693304805
2007	284.5583513066477
2008	268.0183765397388
2009	269.86693735971653
2010	300.3295618901487
2011	304.78990292762234
2012	314.1795381837202
2013	318.39088122401427
2014	330.1959683007587
2015	327.8351998346
2016	325.8005109238249
2017	327.79243230814274
2018	315.2156891056322
2019	281.92946738449064
2020	279.9179710499763
2021	278.5661456201892