| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very low | 140 |
11.7%
|
| 2 | Low | 188 |
15.7%
|
| 3 | High | 418 |
34.8%
|
| 4 | Very high | 410 |
34.2%
|
| 9 | Don't know | 44 |
3.7%
|