| Value | Category | Cases | |
|---|---|---|---|
| 0 | 241 |
9.7%
|
|
| 1 | 421 |
16.9%
|
|
| 2 | 432 |
17.3%
|
|
| 3 | 344 |
13.8%
|
|
| 4 | 135 |
5.4%
|
|
| 5 | 123 |
4.9%
|
|
| 6 | 14 |
0.6%
|
|
| 7 | 777 |
31.1%
|
|
| 77 | Don't know | 9 |
0.4%
|