| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1%
|
| 0 | 19 |
9.9%
|
|
| 1 | 26 |
13.6%
|
|
| 2 | 18 |
9.4%
|
|
| 3 | 24 |
12.6%
|
|
| 4 | 20 |
10.5%
|
|
| 5 | 13 |
6.8%
|
|
| 6 | 9 |
4.7%
|
|
| 7 | 5 |
2.6%
|
|
| 8 | 9 |
4.7%
|
|
| 9 | 2 |
1%
|
|
| 10 | 6 |
3.1%
|
|
| 11 | 2 |
1%
|
|
| 13 | 2 |
1%
|
|
| 16 | 1 |
0.5%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 1 |
0.5%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 6 |
3.1%
|
|
| 24 | 1 |
0.5%
|
|
| 25 | 1 |
0.5%
|
|
| 28 | 2 |
1%
|
|
| 31 | 1 |
0.5%
|
|
| 34 | 1 |
0.5%
|
|
| 38 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 46 | 1 |
0.5%
|
|
| 56 | 1 |
0.5%
|
|
| 57 | 1 |
0.5%
|
|
| 70 | 1 |
0.5%
|
|
| 77 | 1 |
0.5%
|
|
| 80 | 2 |
1%
|
|
| 105 | 1 |
0.5%
|
|
| 140 | 1 |
0.5%
|
|
| 158 | 1 |
0.5%
|
|
| 200 | 1 |
0.5%
|
|
| 242 | 1 |
0.5%
|
|
| 275 | 1 |
0.5%
|
|
| 412 | 1 |
0.5%
|
|
| 600 | 1 |
0.5%
|
|
| 900 | 1 |
0.5%
|
|
| Sysmiss | 114 |