| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (Spontaneous) | 6 |
1%
|
| -7 | Does not apply (spontaneous) | 93 |
15.5%
|
| 1 | Within 6 months of identifying under-performance | 76 |
12.6%
|
| 2 | After 6 months of identifying under-performance | 55 |
9.2%
|
| 3 | Rarely or never | 371 |
61.7%
|