| | Crop reporting district (CRD) | 2012 production (bushels) | Overall mean (ppb) | % of statewide production | Production adjusted aflatoxin contribution (kg) | % of statewide contribution of aflatoxin |
| | Northwest | 304,706,000 | 2.88 | 16.23 | 22.29 | 10.67 | | West Central | 268,724,000 | 3.90 | 14.32 | 26.62 | 12.74 | | Southwest | 129,711,000 | 15.13 | 6.91 | 49.85 | 23.85 | | North Central | 282,405,000 | 3.17 | 15.05 | 22.74 | 10.88 | | Central | 307,213,000 | 3.55 | 16.37 | 27.70 | 13.26 | | South Central | 45,803,000 | 10.86 | 2.44 | 12.64 | 6.05 | | Northeast | 236,675,000 | 4.25 | 12.61 | 25.55 | 12.23 | | East Central | 190,753,000 | 1.78 | 10.16 | 8.62 | 4.13 | | Southeast | 110,910,000 | 4.60 | 5.91 | 12.96 | 6.20 |
| | State-wide | 1,876,900,000 | 5.57 | 100 | 208.97 | 100 |
| | Adjusted state-weight mean | | 4.38 | | | |
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