| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
100%
|
| 1 | Not a priority relative to other investments | 0 | |
| 2 | Not profitable | 0 | |
| 3 | Lack of financial resources | 0 | |
| 4 | Uncertainty about regulation | 0 | |
| 5 | Uncertainty about future prices | 0 | |
| 6 | Operational and/or technical risk | 0 | |
| 7 | Other | 0 |