| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 6 months | 32 |
0.9%
|
| 2 | 6 to 12 months | 49 |
1.4%
|
| 3 | More than 12 months | 74 |
2.1%
|
| 4 | More than 2 years | 270 |
7.7%
|
| 5 | Indefinitely | 3059 |
87.8%
|
| Sysmiss | 1210 |