| December | March | May | July | |||||
| this year | last year | this year | last year | this year | last year | this year | last year | |
| ( . . . . . . . . US$/tonne . . . . . . .) | ||||||||
| WHEAT | ||||||||
| September 17 | 98 | 137 | 103 | 142 | 107 | 145 | 111 | 144 |
| 24 | 102 | 134 | 108 | 139 | 111 | 142 | 115 | 142 |
| October 1 | 99 | 129 | 104 | 134 | 108 | 137 | 112 | 139 |
| 8 | 110 | 133 | 115 | 138 | 118 | 141 | 122 | 142 |
| 15 | 107 | 136 | 113 | 141 | 116 | 143 | 119 | 145 |
| 22 | 108 | 137 | 114 | 142 | 117 | 145 | 120 | 146 |
| MAIZE | ||||||||
| September 17 | 81 | 104 | 87 | 107 | 90 | 109 | 92 | 111 |
| 24 | 82 | 103 | 87 | 106 | 90 | 108 | 92 | 110 |
| October 1 | 81 | 101 | 86 | 104 | 89 | 106 | 91 | 108 |
| 8 | 86 | 111 | 90 | 115 | 93 | 107 | 95 | 118 |
| 15 | 89 | 114 | 94 | 118 | 97 | 120 | 98 | 121 |
| 22 | 87 | 116 | 92 | 119 | 94 | 122 | 97 | 123 |