| Education level | Empty packages | ||||
| Abandon | Burying | Incineration | Re-used | Total | |
| No | +1 | −4 | −3 | +1 | 39 |
| Primary | +0 | −2 | +0 | +0 | 31 |
| Secondary | +0 | +1 | +1 | +0 | 22 |
| University | −8 | +64 | +9 | −5 | 4 |
| Total | 48 | 10 | 6 | 33 | 96 |