| Value | Category | Cases | |
|---|---|---|---|
| 0 | None of them will be in use in ten years time. | 60 |
92.3%
|
| 1 | Some will be in use in ten years time. | 0 |
0%
|
| 2 | All will be useful in ten years time. | 1 |
1.5%
|
| 3 | Depends on the maintenance given to the roads.. | 4 |
6.2%
|