| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.5%
|
| -7 | DOES NOT APPLY (SPONTANEOUS) | 21 |
10.3%
|
| 1 | Within 6 months of identifying under-performance | 57 |
28.1%
|
| 2 | After 6 months of identifying under-performance | 10 |
4.9%
|
| 3 | Rarely or never | 114 |
56.2%
|
| Sysmiss | 155 |