| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
5.6%
|
| 1 | 7 |
4.9%
|
|
| 2 | 5 |
3.5%
|
|
| 3 | 2 |
1.4%
|
|
| 4 | 6 |
4.2%
|
|
| 5 | 5 |
3.5%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 10 |
7%
|
|
| 8 | 3 |
2.1%
|
|
| 10 | 3 |
2.1%
|
|
| 15 | 23 |
16.1%
|
|
| 20 | 5 |
3.5%
|
|
| 21 | 5 |
3.5%
|
|
| 25 | 1 |
0.7%
|
|
| 30 | 28 |
19.6%
|
|
| 35 | 1 |
0.7%
|
|
| 45 | 7 |
4.9%
|
|
| 60 | 11 |
7.7%
|
|
| 70 | 1 |
0.7%
|
|
| 75 | 1 |
0.7%
|
|
| 80 | 1 |
0.7%
|
|
| 90 | 7 |
4.9%
|
|
| 120 | 1 |
0.7%
|
|
| 150 | 1 |
0.7%
|
|
| Sysmiss | 202 |