以下是4月份公布的玉米供需平衡表
                   2016/17 2017/18估计值. 2018/19预测值. 2018/19预测值.
                                          3月            4月
百万英亩
播种面积           94      90.2           89.1           89.1
收获面积           86.7    82.7           81.7           81.7
蒲式耳
每英亩收获产量     174.6   176.6          176.4          176.4
百万蒲式耳
期初库存           1737    2293           2140           2140
产量               15148   14609          14420          14420
进口量             57      36             40             40
总供应量           16942   16939          16600          16600
饲料用量           5470    5304           5375           5300
食品、种子及工业用 6885    7056           7015           6965
燃料酒精用量       5432    5605           5550           5500
国内总用量         12355   12360          12390          12265
出口量             2294    2438           2375           2300
总消耗量           14649   14799          14765          14565
期末库存           2293    2140           1835           2035
农场平均价格       3.36    3.36           3.35 - 3.75    3.40 - 3.70