Year	kilograms per hectare of arable land
1992	54.07279029462738
1993	30.763790664780764
1994	30.501930501930502
1995	41.172365666434054
1996	41.52128401953943
1997	47.70674079221682
1998	48.37370242214533
1999	52.150355570606166
2000	53.16191799861014
2001	99.32556713672594
2002	115.31421598535692
2003	124.59016393442623
2004	119.40113833209601
2005	102.2816679779701
2006	115.49925484351714
2007	119.30703857049465
2008	90.9481600859522
2009	102.44923796075376
2010	103.97668515558898
2011	104.77192661389944
2012	107.0559610705596
2013	109.63588736083824
2014	111.75219130286784
2015	122.58207099774391
2016	131.8527160724286
2017	141.10899843133527
2018	133.51678486997636
2019	137.08350287083502
2020	140.00355650395662
2021	139.68451075032908