| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
10.5%
|
| 0 | 4 |
2.1%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 2 |
1%
|
|
| 10 | 2 |
1%
|
|
| 20 | 5 |
2.6%
|
|
| 30 | 2 |
1%
|
|
| 35 | 2 |
1%
|
|
| 40 | 5 |
2.6%
|
|
| 45 | 1 |
0.5%
|
|
| 50 | 7 |
3.7%
|
|
| 55 | 2 |
1%
|
|
| 65 | 1 |
0.5%
|
|
| 68 | 1 |
0.5%
|
|
| 75 | 2 |
1%
|
|
| 80 | 4 |
2.1%
|
|
| 85 | 3 |
1.6%
|
|
| 90 | 4 |
2.1%
|
|
| 95 | 1 |
0.5%
|
|
| 100 | 122 |
63.9%
|
|
| Sysmiss | 50 |