| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
5.2%
|
| -7 | Does not apply | 190 |
36.9%
|
| 1 | 81 |
15.7%
|
|
| 2 | 40 |
7.8%
|
|
| 3 | 33 |
6.4%
|
|
| 4 | 26 |
5%
|
|
| 5 | 43 |
8.3%
|
|
| 6 | 12 |
2.3%
|
|
| 7 | 11 |
2.1%
|
|
| 8 | 5 |
1%
|
|
| 9 | 4 |
0.8%
|
|
| 10 | 14 |
2.7%
|
|
| 11 | 3 |
0.6%
|
|
| 12 | 2 |
0.4%
|
|
| 13 | 1 |
0.2%
|
|
| 14 | 2 |
0.4%
|
|
| 15 | 5 |
1%
|
|
| 16 | 4 |
0.8%
|
|
| 17 | 3 |
0.6%
|
|
| 20 | 2 |
0.4%
|
|
| 22 | 2 |
0.4%
|
|
| 23 | 1 |
0.2%
|
|
| 24 | 2 |
0.4%
|
|
| 34 | 1 |
0.2%
|
|
| 38 | 1 |
0.2%
|