| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.9%
|
| -7 | DOES NOT APPLY (SPONTANEOUS) | 11 |
5%
|
| 1 | Within 6 months of identifying under-performance | 41 |
18.6%
|
| 2 | After 6 months of identifying under-performance | 28 |
12.7%
|
| 3 | Rarely or never | 139 |
62.9%
|
| Sysmiss | 139 |