| Value | Category | Cases | |
|---|---|---|---|
| 1 | Don't know | 9 |
0.4%
|
| 2 | Improved (Permanent) | 2066 |
84.7%
|
| 3 | Other | 5 |
0.2%
|
| 4 | Unimproved (Temporal) | 358 |
14.7%
|