| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 30 |
6%
|
| 0 | 6 |
1.2%
|
|
| 1 | 16 |
3.2%
|
|
| 2 | 28 |
5.6%
|
|
| 3 | 7 |
1.4%
|
|
| 4 | 3 |
0.6%
|
|
| 5 | 95 |
18.9%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 104 |
20.7%
|
|
| 12 | 3 |
0.6%
|
|
| 15 | 22 |
4.4%
|
|
| 16 | 1 |
0.2%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 68 |
13.5%
|
|
| 25 | 9 |
1.8%
|
|
| 30 | 54 |
10.8%
|
|
| 35 | 1 |
0.2%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 18 |
3.6%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 20 |
4%
|
|
| 60 | 2 |
0.4%
|
|
| 70 | 7 |
1.4%
|
|
| 90 | 1 |
0.2%
|
|
| 100 | 2 |
0.4%
|
|
| Sysmiss | 211 |