| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.2%
|
|
| 1 | 49 |
1.2%
|
|
| 2 | 224 |
5.3%
|
|
| 3 | 956 |
22.6%
|
|
| 4 | 1709 |
40.4%
|
|
| 5 | 335 |
7.9%
|
|
| 6 | 182 |
4.3%
|
|
| 7 | 106 |
2.5%
|
|
| 8 | Do not know | 661 |
15.6%
|