| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
11%
|
| 0 | 10 |
7.9%
|
|
| 1 | 19 |
15%
|
|
| 2 | 18 |
14.2%
|
|
| 3 | 11 |
8.7%
|
|
| 4 | 3 |
2.4%
|
|
| 5 | 9 |
7.1%
|
|
| 6 | 3 |
2.4%
|
|
| 7 | 2 |
1.6%
|
|
| 8 | 1 |
0.8%
|
|
| 10 | 2 |
1.6%
|
|
| 12 | 3 |
2.4%
|
|
| 13 | 2 |
1.6%
|
|
| 16 | 1 |
0.8%
|
|
| 17 | 2 |
1.6%
|
|
| 20 | 3 |
2.4%
|
|
| 21 | 1 |
0.8%
|
|
| 25 | 4 |
3.1%
|
|
| 28 | 1 |
0.8%
|
|
| 29 | 1 |
0.8%
|
|
| 30 | 4 |
3.1%
|
|
| 34 | 2 |
1.6%
|
|
| 36 | 1 |
0.8%
|
|
| 38 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 46 | 1 |
0.8%
|
|
| 55 | 1 |
0.8%
|
|
| 80 | 2 |
1.6%
|
|
| 104 | 1 |
0.8%
|
|
| 150 | 1 |
0.8%
|
|
| 200 | 1 |
0.8%
|
|
| 225 | 1 |
0.8%
|
|
| Sysmiss | 234 |