| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
5%
|
| 0 | 16 |
8.8%
|
|
| 5 | 1 |
0.6%
|
|
| 10 | 4 |
2.2%
|
|
| 16 | 1 |
0.6%
|
|
| 20 | 7 |
3.9%
|
|
| 30 | 8 |
4.4%
|
|
| 35 | 1 |
0.6%
|
|
| 45 | 2 |
1.1%
|
|
| 50 | 11 |
6.1%
|
|
| 60 | 3 |
1.7%
|
|
| 70 | 9 |
5%
|
|
| 75 | 3 |
1.7%
|
|
| 80 | 4 |
2.2%
|
|
| 85 | 1 |
0.6%
|
|
| 90 | 1 |
0.6%
|
|
| 97 | 1 |
0.6%
|
|
| 100 | 99 |
54.7%
|
|
| Sysmiss | 178 |