| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.2%
|
| 0 | 30 |
33.7%
|
|
| 1 | 14 |
15.7%
|
|
| 2 | 13 |
14.6%
|
|
| 3 | 9 |
10.1%
|
|
| 4 | 2 |
2.2%
|
|
| 5 | 2 |
2.2%
|
|
| 7 | 2 |
2.2%
|
|
| 8 | 2 |
2.2%
|
|
| 10 | 2 |
2.2%
|
|
| 14 | 2 |
2.2%
|
|
| 23 | 1 |
1.1%
|
|
| 27 | 1 |
1.1%
|
|
| 30 | 2 |
2.2%
|
|
| 33 | 1 |
1.1%
|
|
| 35 | 1 |
1.1%
|
|
| 50 | 1 |
1.1%
|
|
| 115 | 1 |
1.1%
|
|
| 200 | 1 |
1.1%
|
|
| Sysmiss | 271 |