Year	kilograms per hectare of arable land
2012	45.46897506925209
2013	50.77027264731749
2014	49.7172356369692
2015	54.82301718051306
2016	64.90235081374321
2017	76.30689240288758
2018	62.91983122362869
2019	45.117041259148905
2020	57.17356329236116
2021	40.979857133663685