| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
10.6%
|
| 2 | 16 |
17%
|
|
| 3 | 6 |
6.4%
|
|
| 4 | 7 |
7.4%
|
|
| 5 | 4 |
4.3%
|
|
| 6 | 5 |
5.3%
|
|
| 7 | 2 |
2.1%
|
|
| 9 | 2 |
2.1%
|
|
| 12 | 2 |
2.1%
|
|
| 13 | 1 |
1.1%
|
|
| 14 | 1 |
1.1%
|
|
| 19 | 1 |
1.1%
|
|
| 20 | 4 |
4.3%
|
|
| 21 | 1 |
1.1%
|
|
| 22 | 1 |
1.1%
|
|
| 23 | 1 |
1.1%
|
|
| 24 | 11 |
11.7%
|
|
| 30 | 4 |
4.3%
|
|
| 31 | 3 |
3.2%
|
|
| 40 | 2 |
2.1%
|
|
| 60 | 1 |
1.1%
|
|
| 70 | 1 |
1.1%
|
|
| 86 | 1 |
1.1%
|
|
| 90 | 2 |
2.1%
|
|
| 104 | 1 |
1.1%
|
|
| 120 | 1 |
1.1%
|
|
| 127 | 1 |
1.1%
|
|
| 138 | 1 |
1.1%
|
|
| 153 | 1 |
1.1%
|
|
| Sysmiss | 213 |