| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.7%
|
| -4 | Too many to count | 78 |
65%
|
| 0 | 14 |
11.7%
|
|
| 1 | 3 |
2.5%
|
|
| 2 | 2 |
1.7%
|
|
| 3 | 3 |
2.5%
|
|
| 4 | 2 |
1.7%
|
|
| 5 | 3 |
2.5%
|
|
| 7 | 1 |
0.8%
|
|
| 10 | 5 |
4.2%
|
|
| 12 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 20 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 33 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 3800 | 1 |
0.8%
|