| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within this year | 907 |
10.3%
|
| 2 | 1-2 yrs | 1128 |
12.8%
|
| 3 | 2 -3 yrs | 1909 |
21.7%
|
| 4 | 3+ yrs | 3659 |
41.6%
|
| 8 | Unsure/Unknown | 1190 |
13.5%
|
| 9 | Missing | 77 | |
| Sysmiss | 15410 |