| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
7.7%
|
| 1 | 5 |
2.6%
|
|
| 2 | 2 |
1%
|
|
| 3 | 12 |
6.2%
|
|
| 4 | 3 |
1.5%
|
|
| 5 | 2 |
1%
|
|
| 6 | 2 |
1%
|
|
| 7 | 6 |
3.1%
|
|
| 8 | 8 |
4.1%
|
|
| 10 | 5 |
2.6%
|
|
| 15 | 35 |
17.9%
|
|
| 16 | 1 |
0.5%
|
|
| 20 | 7 |
3.6%
|
|
| 21 | 3 |
1.5%
|
|
| 22 | 3 |
1.5%
|
|
| 25 | 4 |
2.1%
|
|
| 28 | 1 |
0.5%
|
|
| 30 | 48 |
24.6%
|
|
| 32 | 3 |
1.5%
|
|
| 35 | 1 |
0.5%
|
|
| 45 | 5 |
2.6%
|
|
| 60 | 14 |
7.2%
|
|
| 90 | 5 |
2.6%
|
|
| 120 | 2 |
1%
|
|
| 180 | 1 |
0.5%
|
|
| 208 | 1 |
0.5%
|
|
| 365 | 1 |
0.5%
|
|
| Sysmiss | 534 |