Year	kilograms per hectare of arable land
2000	44.94563178250827
2001	43.26332328980345
2002	50.449638021639956
2003	47.95626456168398
2004	52.083377498149154
2005	44.52478065097131
2006	43.28431634365939
2007	44.348373740397086
2008	51.46563963508075
2009	39.46306153281867
2010	43.912893005435116
2011	45.844821843337996
2012	50.7039650885735
2013	59.13352006221325
2014	59.54092406252964
2015	54.66284272819507
2016	57.79863782091738
2017	57.20016519465002
2018	63.14170386382379
2019	60.05142269963535
2020	55.79092248925522
2021	56.38452477857491