| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 |
16.5%
|
|
| 1 | 21 |
11.2%
|
|
| 2 | 74 |
39.4%
|
|
| 3 | 39 |
20.7%
|
|
| 4 | 12 |
6.4%
|
|
| 5 | 3 |
1.6%
|
|
| 7 | 2 |
1.1%
|
|
| 8 | 2 |
1.1%
|
|
| 98 | Don't know | 4 |
2.1%
|