| Category |
| % |
|
|
|
| Area 1 | Area 2 | Area 3 | Average |
| Food | 10.7 | 13.6 | 10 | 11.4 |
| Vegetables | 7.6 | 9.3 | 9.2 | 8.7 |
| Bones | 3.5 | 5.1 | 6.2 | 5 |
| Fruits skin | 4.7 | 7.3 | 7 | 6.1 |
| Bread litter | 7.5 | 2.2 | 5.1 | 5 |
| Paper | 11.2 | 14.7 | 16.4 | 14.1 |
| Textiles | 15.1 | 11.3 | 12 | 12.8 |
| Plastic | 16.2 | 20.5 | 22 | 19.6 |
| Glass | 4.5 | 4.2 | 1.8 | 3.5 |
| Metals | 7.8 | 4.3 | 5.3 | 5.8 |
| others | 11.2 | 7.5 | 5 | 7.9 |
| total | 100 | 100 | 100 | 100 |