| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 5 |
1%
|
| 0 | 77 |
16%
|
|
| 1 | 4 |
0.8%
|
|
| 2 | 22 |
4.6%
|
|
| 3 | 15 |
3.1%
|
|
| 4 | 20 |
4.1%
|
|
| 5 | 48 |
10%
|
|
| 6 | 15 |
3.1%
|
|
| 7 | 22 |
4.6%
|
|
| 8 | 14 |
2.9%
|
|
| 9 | 2 |
0.4%
|
|
| 10 | 67 |
13.9%
|
|
| 11 | 2 |
0.4%
|
|
| 12 | 25 |
5.2%
|
|
| 13 | 1 |
0.2%
|
|
| 14 | 2 |
0.4%
|
|
| 15 | 49 |
10.2%
|
|
| 16 | 2 |
0.4%
|
|
| 17 | 1 |
0.2%
|
|
| 18 | 7 |
1.5%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 30 |
6.2%
|
|
| 25 | 17 |
3.5%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 27 |
5.6%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 5 |
1%
|