| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 90 |
97.8%
|
| 1 | =subsidised – they contribute but do not pay the full price' | 2 |
2.2%
|
| 2 | Pay the full price | 0 |
0%
|
| -9 | 5 | ||
| -7 | 36 |