| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 37 |
26.4%
|
|
| 3 | 34 |
24.3%
|
|
| 4 | 9 |
6.4%
|
|
| 5 | 11 |
7.9%
|
|
| 6 | 4 |
2.9%
|
|
| 7 | 6 |
4.3%
|
|
| 8 | 8 |
5.7%
|
|
| 9 | 5 |
3.6%
|
|
| 10 | 4 |
2.9%
|
|
| 11 | 2 |
1.4%
|
|
| 12 | 2 |
1.4%
|
|
| 13 | 2 |
1.4%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 3 |
2.1%
|
|
| 16 | 1 |
0.7%
|
|
| 17 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 22 | 1 |
0.7%
|
|
| 26 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 75 | 1 |
0.7%
|
|
| 90 | 1 |
0.7%
|
|
| 99 | 1 |
0.7%
|
|
| 150 | 1 |
0.7%
|
|
| Sysmiss | 620 |