| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
1.2%
|
|
| 1 | 95 |
7.4%
|
|
| 2 | 141 |
10.9%
|
|
| 3 | 143 |
11.1%
|
|
| 4 | 85 |
6.6%
|
|
| 5 | 107 |
8.3%
|
|
| 6 | 65 |
5%
|
|
| 7 | 573 |
44.5%
|
|
| 77 | Don't know | 64 |
5%
|