| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3229 |
82.3%
|
| 2 | Mild | 372 |
9.5%
|
| 3 | Moderate | 191 |
4.9%
|
| 4 | Severe | 89 |
2.3%
|
| 5 | Extreme | 41 |
1%
|
| Sysmiss | 16 |