以下为5月份公布的美国玉米供需平衡表 
　                   2015/16年度 2016/17(估计值)     2017/18年度(预测值) 
                                                        4月份       5月份 
                                        百万英亩 
播种面积                    94.0          90.2            NA         88.0   
收获面积                    86.7          82.7            NA         80.7   
平均单产(蒲式耳/英亩)      174.6         176.6            NA        174.0 
                                  百万蒲式耳                                                                                                                                         
期初库存                    1737          2293            NA          2182 
产量                       15148         14604            NA         14040 
进口量                        57            50            NA            50 
总供应量                   16942         16947            NA         16272 
饲料用量                    5472          5500            NA          5375 
食品、种子及工业用          6883          7040            NA          7115 
燃料酒精用量                5432          5575            NA          5625 
国内总用量                 12356         12540            NA         12490 
出口                        2293          2225            NA          2100 
总消耗量                   14649         14765            NA         14590 
期末库存                    2293          2182            NA          1682 
CCC 库存#                      0               0            0           0 
自由库存                     821            1232         1827        1777 
贷款项下库存                  32              76          230         230 
农场平均价格(美元/蒲)        3.36     3.25-3.55            NA     3.30-4.30