| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
1.1%
|
| 0 | 32 |
2.3%
|
|
| 1 | 40 |
2.8%
|
|
| 2 | 83 |
5.9%
|
|
| 3 | 172 |
12.2%
|
|
| 4 | 225 |
16%
|
|
| 5 | 240 |
17%
|
|
| 6 | 206 |
14.6%
|
|
| 7 | 161 |
11.4%
|
|
| 8 | 93 |
6.6%
|
|
| 9 | 55 |
3.9%
|
|
| 10 | 34 |
2.4%
|
|
| 11 | 17 |
1.2%
|
|
| 12 | 19 |
1.3%
|
|
| 13 | 5 |
0.4%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| 16 | 2 |
0.1%
|
|
| 17 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| 40 | 2 |
0.1%
|
|
| 61 | 1 |
0.1%
|