| Value | Category | Cases | |
|---|---|---|---|
| 0 | 69 |
3.9%
|
|
| 1 | 103 |
5.8%
|
|
| 2 | 251 |
14.2%
|
|
| 3 | 333 |
18.8%
|
|
| 4 | 189 |
10.7%
|
|
| 5 | 131 |
7.4%
|
|
| 6 | 69 |
3.9%
|
|
| 7 | 620 |
35.1%
|
|
| 77 | Don't know | 3 |
0.2%
|