| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 33 |
4.5%
|
| -4 | Too many to count | 236 |
32.4%
|
| 0 | 24 |
3.3%
|
|
| 1 | 18 |
2.5%
|
|
| 2 | 61 |
8.4%
|
|
| 3 | 85 |
11.7%
|
|
| 4 | 54 |
7.4%
|
|
| 5 | 48 |
6.6%
|
|
| 6 | 33 |
4.5%
|
|
| 7 | 15 |
2.1%
|
|
| 8 | 22 |
3%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 38 |
5.2%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 7 |
1%
|
|
| 14 | 2 |
0.3%
|
|
| 15 | 11 |
1.5%
|
|
| 16 | 1 |
0.1%
|
|
| 18 | 2 |
0.3%
|
|
| 20 | 11 |
1.5%
|
|
| 22 | 1 |
0.1%
|
|
| 23 | 1 |
0.1%
|
|
| 25 | 4 |
0.5%
|
|
| 30 | 6 |
0.8%
|
|
| 40 | 2 |
0.3%
|
|
| 50 | 4 |
0.5%
|
|
| 60 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 100 | 1 |
0.1%
|
|
| 250 | 1 |
0.1%
|
|
| 435 | 1 |
0.1%
|
|
| 2000 | 1 |
0.1%
|