| Value | Category | Cases | |
|---|---|---|---|
| 0 | 270 |
10.8%
|
|
| 1 | 473 |
19%
|
|
| 2 | 492 |
19.7%
|
|
| 3 | 293 |
11.7%
|
|
| 4 | 260 |
10.4%
|
|
| 5 | 173 |
6.9%
|
|
| 6 | 105 |
4.2%
|
|
| 7 | 84 |
3.4%
|
|
| 8 | 60 |
2.4%
|
|
| 9 | 11 |
0.4%
|
|
| 10 | 65 |
2.6%
|
|
| 11 | 5 |
0.2%
|
|
| 12 | 33 |
1.3%
|
|
| 13 | 1 |
0%
|
|
| 14 | 27 |
1.1%
|
|
| 15 | 19 |
0.8%
|
|
| 16 | 79 |
3.2%
|
|
| 77 | Don't know | 46 |
1.8%
|