Year	kilograms per hectare of arable land
1993	61.68693982074264
1994	63.45675848814862
1995	69.06165703275529
1996	76.46104314230521
1997	69.29032258064517
1998	77.83710407239819
1999	57.86029889538661
2000	77.30759162303664
2001	81.36962552011096
2002	83.1063829787234
2003	78.94833687190375
2004	83.66690595836324
2005	80.5039539899353
2006	91.78156748911466
2007	89.95061728395062
2008	75.08393632416788
2009	78.30969609261939
2010	85.0639367816092
2011	95.93732029902243
2012	106.91948574301516
2013	109.33019976498237
2014	116.47881106533255
2015	112.99111111111111
2016	125.76243504083148
2017	121.6868652271035
2018	129.30155786350147
2019	129.17879169755375
2020	129.8113744427935
2021	134.4936500754148