| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
2.8%
|
| -4 | Too many to count | 111 |
30.8%
|
| 0 | 8 |
2.2%
|
|
| 1 | 12 |
3.3%
|
|
| 2 | 21 |
5.8%
|
|
| 3 | 34 |
9.4%
|
|
| 4 | 17 |
4.7%
|
|
| 5 | 48 |
13.3%
|
|
| 6 | 15 |
4.2%
|
|
| 7 | 10 |
2.8%
|
|
| 8 | 5 |
1.4%
|
|
| 9 | 4 |
1.1%
|
|
| 10 | 24 |
6.7%
|
|
| 11 | 2 |
0.6%
|
|
| 12 | 6 |
1.7%
|
|
| 14 | 2 |
0.6%
|
|
| 15 | 8 |
2.2%
|
|
| 16 | 1 |
0.3%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 8 |
2.2%
|
|
| 25 | 3 |
0.8%
|
|
| 30 | 6 |
1.7%
|
|
| 40 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 90 | 1 |
0.3%
|
|
| 168 | 1 |
0.3%
|