| Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|
| Very much improved | X |
|
|
| X |
|
|
| X | X | 40% |
| Much improved |
| X | X |
|
|
| X |
|
|
| 30% |
| Improved |
|
|
|
|
| X |
| X |
|
| 20% |
| No change |
|
|
| X |
|
|
|
|
|
| 10% |
| Worse |
|
|
|
|
|
|
|
|
|
| 0% |