| Whole country | 292.2 (100%) | 503.1 (100%) | 657.6 (100%) | 692.3 (100%) | 692.6 (100%) | 709.1 (100%) |
| Agriculture (livestock, farming) subtotal | 21.0 (7.2%) | 21.2 (4.2%) | 21.7 (3.3%) | 20.8 (3.0%) | 20.5 (3.0%) | 20.4 (2.9%) |
| Gas | Methane gas (CH4) | 14.3 | 13.2 | 12.9 | 12.0 | 11.9 | 11.7 |
| Nitrogen peroxide (N2O) | 6.7 | 8.0 | 8.9 | 8.9 | 8.6 | 8.7 |
| Subtotal | 15.4 (5.3%) | 14.2 (2.8%) | 13.0 (2.0%) | 12.1 (1.7%) | 12.0 (1.7%) | 11.8 (1.7%) |
| Seedling | Rice cultivation | 10.5 | 8.7 | 7.3 | 6.3 | 6.2 | 6.0 |
| Farmland soil | 4.9 | 5.6 | 5.7 | 5.8 | 5.8 | 5.8 |
| Crop residue incineration | 0.033 | 0.029 | 0.024 | 0.021 | 0.020 | 0.019 |
| Animal husbandry | Subtotal (Enteric fermentation, fecal urine treatment) | 5.6 (1.9%) | 7.0 (1.4%) | 8.7 (1.3%) | 8.7 (1.3%) | 8.5 (1.3%) | 8.6 (1.2%) |