| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
5%
|
| 0 | 1 |
0.8%
|
|
| 3 | 4 |
3.4%
|
|
| 4 | 7 |
5.9%
|
|
| 5 | 22 |
18.5%
|
|
| 6 | 7 |
5.9%
|
|
| 7 | 5 |
4.2%
|
|
| 8 | 5 |
4.2%
|
|
| 9 | 2 |
1.7%
|
|
| 10 | 5 |
4.2%
|
|
| 12 | 3 |
2.5%
|
|
| 13 | 3 |
2.5%
|
|
| 15 | 4 |
3.4%
|
|
| 16 | 1 |
0.8%
|
|
| 18 | 1 |
0.8%
|
|
| 19 | 1 |
0.8%
|
|
| 20 | 2 |
1.7%
|
|
| 21 | 1 |
0.8%
|
|
| 22 | 2 |
1.7%
|
|
| 25 | 1 |
0.8%
|
|
| 30 | 7 |
5.9%
|
|
| 35 | 2 |
1.7%
|
|
| 40 | 1 |
0.8%
|
|
| 50 | 2 |
1.7%
|
|
| 52 | 1 |
0.8%
|
|
| 60 | 3 |
2.5%
|
|
| 65 | 1 |
0.8%
|
|
| 70 | 1 |
0.8%
|
|
| 80 | 2 |
1.7%
|
|
| 120 | 2 |
1.7%
|
|
| 134 | 1 |
0.8%
|
|
| 150 | 2 |
1.7%
|
|
| 230 | 1 |
0.8%
|
|
| 300 | 2 |
1.7%
|
|
| 320 | 1 |
0.8%
|
|
| 380 | 1 |
0.8%
|
|
| 431 | 1 |
0.8%
|
|
| 565 | 1 |
0.8%
|
|
| 687 | 1 |
0.8%
|
|
| 749 | 1 |
0.8%
|
|
| 1300 | 1 |
0.8%
|
|
| 3647 | 1 |
0.8%
|
|
| Sysmiss | 283 |