| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
10.8%
|
| 0 | 30 |
27%
|
|
| 1 | 4 |
3.6%
|
|
| 2 | 6 |
5.4%
|
|
| 3 | 2 |
1.8%
|
|
| 5 | 2 |
1.8%
|
|
| 8 | 1 |
0.9%
|
|
| 10 | 3 |
2.7%
|
|
| 12 | 2 |
1.8%
|
|
| 14 | 1 |
0.9%
|
|
| 19 | 1 |
0.9%
|
|
| 20 | 2 |
1.8%
|
|
| 25 | 3 |
2.7%
|
|
| 30 | 4 |
3.6%
|
|
| 35 | 2 |
1.8%
|
|
| 40 | 3 |
2.7%
|
|
| 47 | 1 |
0.9%
|
|
| 50 | 9 |
8.1%
|
|
| 55 | 1 |
0.9%
|
|
| 60 | 8 |
7.2%
|
|
| 70 | 2 |
1.8%
|
|
| 80 | 5 |
4.5%
|
|
| 85 | 2 |
1.8%
|
|
| 90 | 3 |
2.7%
|
|
| 100 | 2 |
1.8%
|
|
| Sysmiss | 40 |