| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 - 3 months | 20 |
66.7%
|
| 2 | 4 - 6 months | 6 |
20%
|
| 3 | 7 - 12 months | 2 |
6.7%
|
| 4 | More than 1 year | 2 |
6.7%
|
| Sysmiss | 120048 |