| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 747 |
17.7%
|
| 2 | mild | 2127 |
50.4%
|
| 3 | moderate | 1221 |
28.9%
|
| 4 | severe | 122 |
2.9%
|
| 5 | extreme/cannot do | 5 |
0.1%
|
| Sysmiss | 2097 |