Year	kilograms per hectare of arable land
1992	72.12060733143016
1993	72.96513101325972
1994	74.64496987401863
1995	74.99750369822485
1996	82.5506581386726
1997	83.51147419749948
1998	78.59464846864594
1999	74.71688951442646
2000	82.74656375806951
2001	90.15305765288264
2002	92.45486202150185
2003	103.08786845217297
2004	99.41962282375125
2005	108.25123689255187
2006	110.64165448672885
2007	123.43569516603861
2008	114.61661542111443
2009	101.1530568914978
2010	115.29499016078924
2011	118.82267497294865
2012	118.0616869239284
2013	122.62832388016967
2014	118.10428318231756
2015	127.17796996652886
2016	135.9634237426049
2017	141.06886538079846
2018	138.57867549188663
2019	138.70703049380677
2020	134.80281949568953
2021	139.56450576760636