| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-6 months | 7 |
7.6%
|
| 2 | 6-12 months | 10 |
10.9%
|
| 3 | 1-2 years | 11 |
12%
|
| 4 | 2-3 years | 13 |
14.1%
|
| 5 | Over 3 years | 51 |
55.4%
|