Year	kilograms per hectare of arable land
2002	255.76242117491338
2003	259.0086785495818
2004	277.88825404569934
2005	288.31116242467664
2006	289.35271903737345
2007	303.7843862803952
2008	290.1286415369522
2009	298.9387169935543
2010	329.6785725989427
2011	343.42157764371274
2012	354.8446625895494
2013	359.4200475215264
2014	373.41393920690774
2015	369.9411686594853
2016	364.1735163497625
2017	367.05388030021044
2018	352.62030521195135
2019	313.2076438342239
2020	311.813302310642
2021	311.69241996527984