| Value | Category | Cases | |
|---|---|---|---|
| 3 | 23 |
2.3%
|
|
| 4 | 71 |
7.1%
|
|
| 5 | 330 |
32.9%
|
|
| 6 | 238 |
23.8%
|
|
| 7 | 188 |
18.8%
|
|
| 8 | 85 |
8.5%
|
|
| 9 | 19 |
1.9%
|
|
| 11 | 29 |
2.9%
|
|
| 12 | 17 |
1.7%
|
|
| 88 | Don't know | 0 |
0%
|
| 99 | Missing | 2 |
0.2%
|