| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severe – Extreme | 31517 |
4.4%
|
| 2 | Moderate – Heavy | 47790 |
6.6%
|
| 3 | Insignificant/light | 77257 |
10.7%
|
| 4 | None | 563074 |
78.2%
|
| Sysmiss | 333310 |