| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
3.5%
|
| 0 | 20 |
23.5%
|
|
| 1 | 14 |
16.5%
|
|
| 2 | 6 |
7.1%
|
|
| 3 | 2 |
2.4%
|
|
| 4 | 8 |
9.4%
|
|
| 5 | 4 |
4.7%
|
|
| 6 | 2 |
2.4%
|
|
| 7 | 1 |
1.2%
|
|
| 9 | 1 |
1.2%
|
|
| 10 | 2 |
2.4%
|
|
| 11 | 1 |
1.2%
|
|
| 14 | 1 |
1.2%
|
|
| 15 | 1 |
1.2%
|
|
| 17 | 1 |
1.2%
|
|
| 20 | 6 |
7.1%
|
|
| 25 | 1 |
1.2%
|
|
| 26 | 1 |
1.2%
|
|
| 30 | 2 |
2.4%
|
|
| 35 | 2 |
2.4%
|
|
| 40 | 1 |
1.2%
|
|
| 50 | 1 |
1.2%
|
|
| 60 | 1 |
1.2%
|
|
| 200 | 1 |
1.2%
|
|
| 225 | 1 |
1.2%
|
|
| 304 | 1 |
1.2%
|
|
| Sysmiss | 275 |