| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
12.1%
|
| 0 | 3 |
1.7%
|
|
| 3 | 2 |
1.2%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 5 |
2.9%
|
|
| 7 | 3 |
1.7%
|
|
| 8 | 3 |
1.7%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 17 |
9.8%
|
|
| 11 | 1 |
0.6%
|
|
| 12 | 57 |
32.9%
|
|
| 13 | 4 |
2.3%
|
|
| 14 | 2 |
1.2%
|
|
| 15 | 22 |
12.7%
|
|
| 16 | 2 |
1.2%
|
|
| 18 | 3 |
1.7%
|
|
| 20 | 11 |
6.4%
|
|
| 21 | 1 |
0.6%
|
|
| 22 | 1 |
0.6%
|
|
| 25 | 2 |
1.2%
|
|
| 30 | 6 |
3.5%
|
|
| 32 | 1 |
0.6%
|
|
| 35 | 2 |
1.2%
|
|
| 40 | 1 |
0.6%
|
|
| 45 | 1 |
0.6%
|
|
| Sysmiss | 840 |