| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 – 3 months | 28 |
0.4%
|
| 2 | 4 – 6 months | 25 |
0.4%
|
| 3 | 7- 12 months | 32 |
0.5%
|
| 4 | Less than a month | 5 |
0.1%
|
| 5 | More than a year | 705 |
11.1%
|
| Missing value | 5535 |
87.4%
|