| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 6 months | 25 |
1.5%
|
| 2 | 2-6 months | 38 |
2.3%
|
| 3 | 1-5 years | 597 |
36%
|
| 4 | 5-10 years | 294 |
17.7%
|
| 5 | 10+ years | 704 |
42.5%
|
| 98 | no response | 0 | |
| 99 | not applicable | 0 | |
| Sysmiss | 5127 |