Table 3.

Estimated USA maize production (with and without Ontario) in comparison with the estimated maize loss due to Stewart's wilt (USA and Ontario), for the period 2012–2017

Year	Estimated USA maize production		3% × 60% of USA production (Ontario production)	Estimated maize loss due to Stewart's wilt (USA & Ontario)	Percentage losses without Ontario	Percentage losses with Ontario
	(billion bushels)	(tonnes)	(tonnes)	(tonnes)	(%)	(%)
2012	10.8	274,320,000	4,937,760	286,000	0.10	0.10
2013	13.9	353,060,000	6,355,080	2,830	0.0008	0.0008
2014	14.2	360,680,000	6,492,240	530	0.0001	0.0001
2015	13.6	345,440,000	6,217,920	1,100	0.0003	0.0003
2016	15.1	383,540,000	6,903,720	0	0	0
2017	14.6	370,840,000	6,675,120	597,500	0.16	0.16