| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
5%
|
| -4 | Too many to count | 28 |
23.3%
|
| 0 | 7 |
5.8%
|
|
| 1 | 3 |
2.5%
|
|
| 2 | 5 |
4.2%
|
|
| 3 | 9 |
7.5%
|
|
| 4 | 7 |
5.8%
|
|
| 5 | 9 |
7.5%
|
|
| 6 | 4 |
3.3%
|
|
| 7 | 2 |
1.7%
|
|
| 8 | 2 |
1.7%
|
|
| 10 | 7 |
5.8%
|
|
| 12 | 1 |
0.8%
|
|
| 15 | 3 |
2.5%
|
|
| 17 | 2 |
1.7%
|
|
| 20 | 9 |
7.5%
|
|
| 25 | 1 |
0.8%
|
|
| 30 | 4 |
3.3%
|
|
| 32 | 1 |
0.8%
|
|
| 35 | 1 |
0.8%
|
|
| 40 | 2 |
1.7%
|
|
| 50 | 3 |
2.5%
|
|
| 70 | 1 |
0.8%
|
|
| 80 | 1 |
0.8%
|
|
| 90 | 1 |
0.8%
|
|
| 100 | 1 |
0.8%
|