| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.9%
|
| 1 | 1 |
0.3%
|
|
| 2 | 24 |
6.8%
|
|
| 3 | 45 |
12.8%
|
|
| 4 | 23 |
6.6%
|
|
| 5 | 42 |
12%
|
|
| 6 | 15 |
4.3%
|
|
| 7 | 14 |
4%
|
|
| 8 | 26 |
7.4%
|
|
| 9 | 2 |
0.6%
|
|
| 10 | 64 |
18.2%
|
|
| 11 | 4 |
1.1%
|
|
| 12 | 16 |
4.6%
|
|
| 13 | 8 |
2.3%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 26 |
7.4%
|
|
| 16 | 3 |
0.9%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 17 |
4.8%
|
|
| 25 | 3 |
0.9%
|
|
| 28 | 1 |
0.3%
|
|
| 29 | 1 |
0.3%
|
|
| 30 | 2 |
0.6%
|
|
| 40 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 80 | 1 |
0.3%
|
|
| 90 | 1 |
0.3%
|
|
| 92 | 1 |
0.3%
|
|
| 100 | 2 |
0.6%
|
|
| 120 | 1 |
0.3%
|
|
| Sysmiss | 29 |