| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Completely unsafe | 2 |
0.6%
|
| 2 | 2. Unsafe | 10 |
3.2%
|
| 3 | 3. Safe | 250 |
80.6%
|
| 4 | 4. Completely safe | 48 |
15.5%
|
| 8 | 8. DON’T KNOW | 0 |
0%
|
| 9 | 9. Missing | 0 |
0%
|