| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 240 |
24.4%
|
| 2 | 3-6 months | 81 |
8.2%
|
| 3 | 7-11 months | 59 |
6%
|
| 4 | 1-2 years | 156 |
15.9%
|
| 5 | 3-5 years | 153 |
15.6%
|
| 6 | More than 5 years. | 294 |
29.9%
|