| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 110 |
16.7%
|
| 0 | 127 |
19.2%
|
|
| 2 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 3 |
0.5%
|
|
| 10 | 22 |
3.3%
|
|
| 15 | 9 |
1.4%
|
|
| 20 | 25 |
3.8%
|
|
| 25 | 10 |
1.5%
|
|
| 30 | 11 |
1.7%
|
|
| 33 | 4 |
0.6%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 17 |
2.6%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 57 |
8.6%
|
|
| 52 | 1 |
0.2%
|
|
| 60 | 20 |
3%
|
|
| 65 | 2 |
0.3%
|
|
| 66 | 1 |
0.2%
|
|
| 70 | 21 |
3.2%
|
|
| 75 | 11 |
1.7%
|
|
| 80 | 30 |
4.5%
|
|
| 84 | 1 |
0.2%
|
|
| 85 | 3 |
0.5%
|
|
| 90 | 25 |
3.8%
|
|
| 95 | 10 |
1.5%
|
|
| 98 | 1 |
0.2%
|
|
| 99 | 2 |
0.3%
|
|
| 100 | 133 |
20.2%
|
|
| Sysmiss | 335 |