| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 38 |
28.6%
|
| 0 | 23 |
17.3%
|
|
| 1 | 3 |
2.3%
|
|
| 2 | 7 |
5.3%
|
|
| 3 | 2 |
1.5%
|
|
| 4 | 5 |
3.8%
|
|
| 5 | 4 |
3%
|
|
| 6 | 1 |
0.8%
|
|
| 7 | 1 |
0.8%
|
|
| 9 | 1 |
0.8%
|
|
| 10 | 3 |
2.3%
|
|
| 11 | 1 |
0.8%
|
|
| 12 | 2 |
1.5%
|
|
| 13 | 1 |
0.8%
|
|
| 14 | 2 |
1.5%
|
|
| 15 | 2 |
1.5%
|
|
| 17 | 1 |
0.8%
|
|
| 20 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 28 | 1 |
0.8%
|
|
| 30 | 1 |
0.8%
|
|
| 35 | 1 |
0.8%
|
|
| 37 | 1 |
0.8%
|
|
| 38 | 1 |
0.8%
|
|
| 40 | 2 |
1.5%
|
|
| 42 | 1 |
0.8%
|
|
| 45 | 1 |
0.8%
|
|
| 47 | 1 |
0.8%
|
|
| 48 | 1 |
0.8%
|
|
| 49 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 55 | 1 |
0.8%
|
|
| 57 | 1 |
0.8%
|
|
| 61 | 1 |
0.8%
|
|
| 65 | 1 |
0.8%
|
|
| 72 | 1 |
0.8%
|
|
| 80 | 1 |
0.8%
|
|
| 100 | 5 |
3.8%
|
|
| 128 | 1 |
0.8%
|
|
| 166 | 1 |
0.8%
|
|
| 180 | 2 |
1.5%
|
|
| 200 | 2 |
1.5%
|
|
| 280 | 1 |
0.8%
|
|
| 396 | 1 |
0.8%
|
|
| 400 | 1 |
0.8%
|
|
| 500 | 1 |
0.8%
|
|
| Sysmiss | 227 |