| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Completely unsafe | 1 |
0.3%
|
| 2 | 2. Unsafe | 11 |
3.5%
|
| 3 | 3. Safe | 261 |
84.2%
|
| 4 | 4. Completely safe | 36 |
11.6%
|
| 8 | 8. DON’T KNOW | 1 |
0.3%
|
| 9 | 9. Missing | 0 |
0%
|