| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.4%
|
| 0 | 1 |
0.3%
|
|
| 1 | 52 |
14.9%
|
|
| 2 | 83 |
23.8%
|
|
| 3 | 38 |
10.9%
|
|
| 4 | 17 |
4.9%
|
|
| 5 | 25 |
7.2%
|
|
| 6 | 15 |
4.3%
|
|
| 7 | 25 |
7.2%
|
|
| 8 | 28 |
8%
|
|
| 9 | 2 |
0.6%
|
|
| 10 | 44 |
12.6%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 6 |
1.7%
|
|
| 20 | 3 |
0.9%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| Sysmiss | 300 |