| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
3.4%
|
|
| 1 | 125 |
22.6%
|
|
| 2 | 171 |
30.9%
|
|
| 3 | 103 |
18.6%
|
|
| 4 | 42 |
7.6%
|
|
| 5 | 22 |
4%
|
|
| 6 | 6 |
1.1%
|
|
| 7 | 65 |
11.7%
|
|
| 77 | Don't know | 1 |
0.2%
|