| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less than year | 96 | 95 |
1.3%
|
| 2 | 1-5 years | 665 | 652 |
8.7%
|
| 3 | 6-10 years | 1026 | 1014 |
13.5%
|
| 4 | 11-20 years | 2324 | 2330 |
31.1%
|
| 5 | more than 20 years | 3392 | 3413 |
45.5%
|