| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every season/every year | 1470 |
70.5%
|
| 2 | Only when there is a surplus | 198 |
9.5%
|
| 3 | Only in emergencies | 408 |
19.6%
|
| 99 | Other periods (specify) | 8 |
0.4%
|
| Sysmiss | 50115 |