| Value | Category |
|---|---|
| -9 | Not stated |
| 1 | Rice |
| 2 | Wheat |
| 3 | Millet |
| 4 | Sorghum |
| 5 | Maize |
| 6 | Cassava |
| 7 | Irish potatoes |
| 8 | Sweet potatoes |
| 9 | Yams |
| 10 | Beans |
| 11 | Groundnuts |
| 12 | Lentils |
| 13 | Peas |
| 14 | Soybeans |
| 15 | Cabbage |
| 16 | Other leafy vegetables |
| 17 | Lettuce |
| 18 | Tomatoes |
| 19 | Coffee |
| 20 | Tea |
| 21 | Cotton |
| 22 | Other |
| Sysmiss |