| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very low | 101 |
8.4%
|
| 2 | Low | 131 |
10.9%
|
| 3 | High | 401 |
33.4%
|
| 4 | Very high | 526 |
43.8%
|
| 9 | Don't know | 41 |
3.4%
|