| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
14.5%
|
| 1 | 1 |
1.2%
|
|
| 2 | 3 |
3.6%
|
|
| 3 | 2 |
2.4%
|
|
| 4 | 1 |
1.2%
|
|
| 5 | 3 |
3.6%
|
|
| 6 | 1 |
1.2%
|
|
| 7 | 12 |
14.5%
|
|
| 10 | 2 |
2.4%
|
|
| 14 | 10 |
12%
|
|
| 15 | 1 |
1.2%
|
|
| 18 | 1 |
1.2%
|
|
| 20 | 1 |
1.2%
|
|
| 21 | 4 |
4.8%
|
|
| 22 | 2 |
2.4%
|
|
| 30 | 8 |
9.6%
|
|
| 31 | 2 |
2.4%
|
|
| 35 | 1 |
1.2%
|
|
| 40 | 2 |
2.4%
|
|
| 45 | 1 |
1.2%
|
|
| 46 | 1 |
1.2%
|
|
| 60 | 8 |
9.6%
|
|
| 90 | 4 |
4.8%
|
|
| Sysmiss | 630 |