| Value | Category | Cases | |
|---|---|---|---|
| 0 | 101 |
4.9%
|
|
| 1 | 304 |
14.8%
|
|
| 2 | 423 |
20.7%
|
|
| 3 | 385 |
18.8%
|
|
| 4 | 190 |
9.3%
|
|
| 5 | 129 |
6.3%
|
|
| 6 | 65 |
3.2%
|
|
| 7 | 387 |
18.9%
|
|
| 77 | Don't know | 64 |
3.1%
|