Year	kilograms per hectare of arable land
1992	77.64976958525345
1993	65.94036697247707
1994	65.37805571347357
1995	64.86181613085166
1996	64.91326245103525
1997	5.707890318970342
1998	3.8932146829810903
1999	1.7660044150110374
2000	2.7914614121510675
2001	17.561384532179556
2002	8.138903960933261
2003	7.533875338753387
2004	8.315217391304348
2005	9.00163666121113
2006	8.46043956043956
2007	11.022502744237102
2008	12.453047775947281
2009	9.364336818932307
2010	11.059569773855488
2011	13.047487575924903
2012	19.1289966923925
2013	24.669603524229075
2014	25.933449074074073
2015	30.20236583958454
2016	41.919246260069045
2017	48.60579401611047
2018	59.42118094785038
2019	51.18658500502988
2020	48.75108836333686
2021	50.55187609585038