| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2014 |
37.9%
|
| 2 | mild | 1512 |
28.4%
|
| 3 | moderate | 1402 |
26.4%
|
| 4 | severe | 356 |
6.7%
|
| 5 | extreme/cannot do | 36 |
0.7%
|
| Sysmiss | 752 |