| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
5%
|
| 0 | 52 |
32.5%
|
|
| 1 | 15 |
9.4%
|
|
| 2 | 14 |
8.8%
|
|
| 3 | 10 |
6.3%
|
|
| 4 | 3 |
1.9%
|
|
| 5 | 16 |
10%
|
|
| 6 | 4 |
2.5%
|
|
| 8 | 3 |
1.9%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 3 |
1.9%
|
|
| 11 | 1 |
0.6%
|
|
| 12 | 5 |
3.1%
|
|
| 13 | 1 |
0.6%
|
|
| 14 | 1 |
0.6%
|
|
| 15 | 6 |
3.8%
|
|
| 17 | 1 |
0.6%
|
|
| 20 | 4 |
2.5%
|
|
| 22 | 1 |
0.6%
|
|
| 30 | 1 |
0.6%
|
|
| 35 | 1 |
0.6%
|
|
| 50 | 1 |
0.6%
|
|
| 55 | 1 |
0.6%
|
|
| 60 | 2 |
1.3%
|
|
| 100 | 1 |
0.6%
|
|
| 130 | 1 |
0.6%
|
|
| 250 | 1 |
0.6%
|
|
| 300 | 1 |
0.6%
|
|
| 867 | 1 |
0.6%
|
|
| Sysmiss | 1177 |