| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 25 litres (one container) | 118 |
4.1%
|
| 2 | 25 to 100 litres (1 to 4 containers) | 396 |
13.7%
|
| 3 | 101 to 200 litres (4 to 8 containers / ½ to 1 drum) | 156 |
5.4%
|
| 4 | 201 to 400 litres (8 to 16 containers / 1 to 2 drums) | 40 |
1.4%
|
| 5 | 401 to 600 litres (16 to 24 containers / 2 to 3 drums) | 5 |
0.2%
|
| 6 | More than 600 litres / more than 3 drums | 2 |
0.1%
|
| 8 | Do not know | 39 |
1.4%
|
| 9 | Not applicable | 2130 |
73.8%
|
| Sysmiss | 18 |