| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
2.3%
|
|
| 1 | To no degree at all | 3 |
1.2%
|
| 2 | 1 |
0.4%
|
|
| 3 | 2 |
0.8%
|
|
| 4 | 6 |
2.3%
|
|
| 5 | 16 |
6.2%
|
|
| 6 | 21 |
8.1%
|
|
| 7 | 50 |
19.2%
|
|
| 8 | 50 |
19.2%
|
|
| 9 | 68 |
26.2%
|
|
| 10 | To a very significant degree | 26 |
10%
|
| 11 | 11 |
4.2%
|