Year	kilograms per hectare of arable land
1993	12.479474548440066
1994	96.75369458128078
1995	61.43069306930693
1996	71.26436781609195
1997	77.83333333333333
1998	66.7802385008518
1999	73.9795918367347
2000	71.89189189189189
2001	39.26056338028169
2002	37.813627254509015
2003	40.17197452229299
2004	53.48156182212581
2005	62.02232142857143
2006	57.466970387243734
2007	67.12296983758701
2008	56.158018867924525
2009	56.69761904761905
2010	67.11111111111111
2011	63.61835748792271
2012	57.59444444444444
2013	69.60615012106537
2014	72.20577669902913
2015	66.24555555555554
2016	79.3148798076923
2017	68.98724220623501
2018	60.84748803827751
2019	61.25608591885442
2020	82.81449519230769
2021	50.4899040767386