| Value | Category | Cases | |
|---|---|---|---|
| 1 | Six months to 1 year | 0 |
0%
|
| 2 | 1-3 years | 11 |
3.4%
|
| 3 | 4-6 years | 40 |
12.5%
|
| 4 | 7-10 years | 48 |
15%
|
| 5 | 11-15 years | 55 |
17.1%
|
| 6 | 16-20 years | 45 |
14%
|
| 7 | More than 20 years | 122 |
38%
|