| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
2.9%
|
| 0 | 7 |
3.4%
|
|
| 5 | 2 |
1%
|
|
| 12 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 2 |
1%
|
|
| 20 | 6 |
2.9%
|
|
| 30 | 6 |
2.9%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 3 |
1.4%
|
|
| 50 | 17 |
8.2%
|
|
| 60 | 6 |
2.9%
|
|
| 65 | 1 |
0.5%
|
|
| 67 | 1 |
0.5%
|
|
| 70 | 7 |
3.4%
|
|
| 75 | 1 |
0.5%
|
|
| 80 | 13 |
6.3%
|
|
| 85 | 1 |
0.5%
|
|
| 88 | 1 |
0.5%
|
|
| 90 | 9 |
4.3%
|
|
| 94 | 2 |
1%
|
|
| 95 | 1 |
0.5%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 112 |
53.8%
|
|
| Sysmiss | 146 |