| Value | Category | Cases | |
|---|---|---|---|
| 1 | Really improved | 104 |
10.9%
|
| 2 | Some improvements | 374 |
39.2%
|
| 3 | Same | 384 |
40.3%
|
| 4 | Some deterioration | 60 |
6.3%
|
| 5 | Really deteriorated | 15 |
1.6%
|
| 6 | Constructed this year | 17 |
1.8%
|
| Sysmiss | 77 |