Year	kilograms per hectare of arable land
1992	44.00117336462306
1993	31.472199557057934
1994	22.627059642608494
1995	22.591670045762612
1996	9.300761990138952
1997	13.157894736842104
1998	8.730728850085649
1999	7.5620581949695875
2000	2.2458369851007887
2001	6.482540720161246
2002	10.433788711696511
2003	7.642099537666576
2004	11.97479219862009
2005	13.360460069444445
2006	13.338945310378536
2007	10.637540453074434
2008	20.93753359853779
2009	13.411419423692637
2010	9.954885621782283
2011	15.57458768627035
2012	19.076502530577816
2013	19.962452604788865
2014	31.752037373475215
2015	50.96609382257316
2016	44.214607303651825
2017	36.67366913344473
2018	60.679898946565615
2019	75.59112595419847
2020	105.83276399750514
2021	105.59465294399233