| Value |
Category |
| -9 |
Don't know (spontaneous) |
| 1 |
Seasonal effects such as holidays or weather changes |
| 2 |
Unexpected large-scale weather effects |
| 3 |
Changes in costs |
| 4 |
Changes in market demand |
| 5 |
None of the above |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
