| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.4%
|
| -7 | DOES NOT APPLY (SPONTANEOUS) | 36 |
14.7%
|
| 1 | Within 6 months of identifying under-performance | 26 |
10.6%
|
| 2 | After 6 months of identifying under-performance | 20 |
8.2%
|
| 3 | Rarely or never | 162 |
66.1%
|
| Sysmiss | 287 |