| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
5.6%
|
| 0 | 7 |
3.3%
|
|
| 1 | 17 |
7.9%
|
|
| 2 | 39 |
18.1%
|
|
| 3 | 24 |
11.2%
|
|
| 4 | 23 |
10.7%
|
|
| 5 | 20 |
9.3%
|
|
| 6 | 11 |
5.1%
|
|
| 7 | 4 |
1.9%
|
|
| 8 | 8 |
3.7%
|
|
| 10 | 12 |
5.6%
|
|
| 11 | 4 |
1.9%
|
|
| 12 | 3 |
1.4%
|
|
| 13 | 2 |
0.9%
|
|
| 15 | 7 |
3.3%
|
|
| 16 | 1 |
0.5%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 5 |
2.3%
|
|
| 23 | 1 |
0.5%
|
|
| 25 | 1 |
0.5%
|
|
| 27 | 1 |
0.5%
|
|
| 40 | 2 |
0.9%
|
|
| 47 | 1 |
0.5%
|
|
| 54 | 1 |
0.5%
|
|
| 80 | 1 |
0.5%
|
|
| 81 | 1 |
0.5%
|
|
| 93 | 1 |
0.5%
|
|
| 132 | 1 |
0.5%
|
|
| 160 | 1 |
0.5%
|
|
| 200 | 1 |
0.5%
|
|
| 210 | 1 |
0.5%
|
|
| 800 | 1 |
0.5%
|