| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 667 |
17.9%
|
| 1 | Low | 1008 |
27%
|
| 2 | Medium | 1135 |
30.4%
|
| 3 | High | 494 |
13.2%
|
| 4 | Very high | 428 |
11.5%
|
| Sysmiss | 519 |