| Value | Category | Cases | |
|---|---|---|---|
| 1 | ELECTRI. STEG | 289 |
11.4%
|
| 2 | GAZ NAT. STEG | 21 |
0.8%
|
| 3 | GAZ NAT. BOUTEIL | 11 |
0.4%
|
| 4 | PETROLE | 12 |
0.5%
|
| 5 | CHARBON | 49 |
1.9%
|
| 6 | BRANCHES | 2137 |
84.5%
|
| 7 | 9 |
0.4%
|
|
| 8 | 1 |
0%
|
|
| Sysmiss | 9789 |