| Value | Category | Cases | |
|---|---|---|---|
| 1 | gaspipe | 102 |
20.9%
|
| 2 | 10 kg | 251 |
51.4%
|
| 3 | 15 kg | 36 |
7.4%
|
| 4 | 25 kg | 40 |
8.2%
|
| 5 | other | 59 |
12.1%
|
| Sysmiss | 1015 |