| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than one month | 22 |
2.5%
|
| 2 | One month but less than two mths | 17 |
2%
|
| 3 | Two but less than 3 months | 18 |
2.1%
|
| 4 | Three but less than six months | 61 |
7.1%
|
| 5 | Six months to one year | 107 |
12.4%
|
| 6 | More than one year | 639 |
74%
|
| Sysmiss | 3710 |