| Value | Category | Cases | |
|---|---|---|---|
| 0 | 26 |
4.7%
|
|
| 1 | 133 |
24%
|
|
| 2 | 162 |
29.2%
|
|
| 3 | 78 |
14.1%
|
|
| 4 | 15 |
2.7%
|
|
| 5 | 23 |
4.2%
|
|
| 6 | 6 |
1.1%
|
|
| 7 | 110 |
19.9%
|
|
| 77 | Don't know | 1 |
0.2%
|