| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within 12 months | 323 |
26.4%
|
| 2 | Within one to two years | 209 |
17.1%
|
| 3 | Three years or more | 129 |
10.6%
|
| 8 | Did not decide yet / does not know | 561 |
45.9%
|
| Sysmiss | 11100 |