| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 1 | 9 |
0.8%
|
|
| 2 | 29 |
2.5%
|
|
| 3 | 25 |
2.2%
|
|
| 4 | 3 |
0.3%
|
|
| 5 | 9 |
0.8%
|
|
| 6 | 35 |
3%
|
|
| 7 | 17 |
1.5%
|
|
| 8 | 248 |
21.5%
|
|
| 9 | 58 |
5%
|
|
| 10 | 136 |
11.8%
|
|
| 11 | 76 |
6.6%
|
|
| 12 | 149 |
12.9%
|
|
| 13 | 91 |
7.9%
|
|
| 14 | 59 |
5.1%
|
|
| 15 | 78 |
6.8%
|
|
| 16 | 39 |
3.4%
|
|
| 17 | 19 |
1.6%
|
|
| 18 | 23 |
2%
|
|
| 19 | 12 |
1%
|
|
| 20 | 11 |
1%
|
|
| 21 | 4 |
0.3%
|
|
| 22 | 3 |
0.3%
|
|
| 23 | 4 |
0.3%
|
|
| 24 | 2 |
0.2%
|
|
| 25 | 1 |
0.1%
|
|
| 26 | 1 |
0.1%
|
|
| 27 | 1 |
0.1%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 2 |
0.2%
|
|
| 77 | Don't know | 8 |
0.7%
|