| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Completely unsafe | 1 |
0.3%
|
| 2 | 2. Unsafe | 6 |
1.9%
|
| 3 | 3. Safe | 283 |
91.3%
|
| 4 | 4. Completely safe | 20 |
6.5%
|
| 8 | 8. DON’T KNOW | 0 |
0%
|
| 9 | 9. Missing | 0 |
0%
|