| Value | Category | Cases | |
|---|---|---|---|
| 0 | 821 |
14.7%
|
|
| 1 | 736 |
13.2%
|
|
| 2 | 1145 |
20.5%
|
|
| 3 | 1034 |
18.5%
|
|
| 4 | 381 |
6.8%
|
|
| 5 | 281 |
5%
|
|
| 6 | 60 |
1.1%
|
|
| 7 | 701 |
12.6%
|
|
| 77 | Don't know | 416 |
7.5%
|