| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | 746 |
29.6%
|
|
| 2 | 615 |
24.4%
|
|
| 3 | 260 |
10.3%
|
|
| 4 | 188 |
7.5%
|
|
| 5 | 104 |
4.1%
|
|
| 6 | 135 |
5.4%
|
|
| 7 | 185 |
7.3%
|
|
| 77 | Don't know | 288 |
11.4%
|