| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.9%
|
| 0 | 26 |
11.3%
|
|
| 1 | 23 |
10%
|
|
| 2 | 33 |
14.3%
|
|
| 3 | 25 |
10.8%
|
|
| 4 | 15 |
6.5%
|
|
| 5 | 15 |
6.5%
|
|
| 6 | 10 |
4.3%
|
|
| 7 | 12 |
5.2%
|
|
| 8 | 14 |
6.1%
|
|
| 9 | 3 |
1.3%
|
|
| 10 | 8 |
3.5%
|
|
| 11 | 2 |
0.9%
|
|
| 12 | 10 |
4.3%
|
|
| 14 | 2 |
0.9%
|
|
| 15 | 5 |
2.2%
|
|
| 16 | 2 |
0.9%
|
|
| 17 | 1 |
0.4%
|
|
| 18 | 5 |
2.2%
|
|
| 20 | 2 |
0.9%
|
|
| 22 | 1 |
0.4%
|
|
| 23 | 1 |
0.4%
|
|
| 24 | 1 |
0.4%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 2 |
0.9%
|
|
| 40 | 3 |
1.3%
|
|
| 45 | 1 |
0.4%
|
|
| 48 | 1 |
0.4%
|
|
| 80 | 1 |
0.4%
|
|
| 97 | 1 |
0.4%
|
|
| 160 | 1 |
0.4%
|
|
| 200 | 2 |
0.9%
|
|
| Sysmiss | 133 |