| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.4%
|
| 0 | 593 |
70%
|
|
| 1 | 31 |
3.7%
|
|
| 2 | 50 |
5.9%
|
|
| 3 | 19 |
2.2%
|
|
| 4 | 18 |
2.1%
|
|
| 5 | 44 |
5.2%
|
|
| 6 | 7 |
0.8%
|
|
| 8 | 7 |
0.8%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 29 |
3.4%
|
|
| 12 | 6 |
0.7%
|
|
| 15 | 5 |
0.6%
|
|
| 20 | 11 |
1.3%
|
|
| 25 | 3 |
0.4%
|
|
| 30 | 6 |
0.7%
|
|
| 40 | 1 |
0.1%
|
|
| 50 | 8 |
0.9%
|
|
| 100 | 1 |
0.1%
|
|
| 135 | 2 |
0.2%
|
|
| 150 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| Sysmiss | 453 |