| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 286 |
8.9%
|
| 2 | 1 month to less than 3 months | 36 |
1.1%
|
| 3 | 3 months to less than 6 months | 31 |
1%
|
| 4 | 6 months to less than 12 months | 56 |
1.7%
|
| 5 | 12 months to less than 24 months | 81 |
2.5%
|
| 6 | 24 months or more | 93 |
2.9%
|
| 7 | Length not stated | 2634 |
81.9%
|
| Sysmiss | 24194 |