| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 32 |
2.8%
|
|
| 2 | 28 |
2.5%
|
|
| 3 | 164 |
14.5%
|
|
| 4 | 197 |
17.5%
|
|
| 5 | 105 |
9.3%
|
|
| 6 | 332 |
29.4%
|
|
| 7 | 26 |
2.3%
|
|
| 8 | 16 |
1.4%
|
|
| 9 | 5 |
0.4%
|
|
| 98 | Do not know | 222 |
19.7%
|