| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.1%
|
|
| 1 | 2 |
0%
|
|
| 2 | 94 |
2.2%
|
|
| 3 | 672 |
15.9%
|
|
| 4 | 1267 |
30%
|
|
| 5 | 820 |
19.4%
|
|
| 6 | 608 |
14.4%
|
|
| 7 | 228 |
5.4%
|
|
| 8 | 197 |
4.7%
|
|
| 9 | 74 |
1.7%
|
|
| 10 | 67 |
1.6%
|
|
| 11 | 1 |
0%
|
|
| 12 | 25 |
0.6%
|
|
| 14 | 2 |
0%
|
|
| 15 | 1 |
0%
|
|
| 20 | 2 |
0%
|
|
| 98 | Do not know | 165 |
3.9%
|