| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.9%
|
| 2 | 71 |
31.4%
|
|
| 3 | 40 |
17.7%
|
|
| 4 | 24 |
10.6%
|
|
| 5 | 14 |
6.2%
|
|
| 6 | 6 |
2.7%
|
|
| 7 | 3 |
1.3%
|
|
| 8 | 4 |
1.8%
|
|
| 10 | 8 |
3.5%
|
|
| 12 | 1 |
0.4%
|
|
| 13 | 1 |
0.4%
|
|
| 14 | 2 |
0.9%
|
|
| 20 | 2 |
0.9%
|
|
| 21 | 1 |
0.4%
|
|
| 23 | 4 |
1.8%
|
|
| 26 | 5 |
2.2%
|
|
| 30 | 2 |
0.9%
|
|
| 35 | 1 |
0.4%
|
|
| 39 | 1 |
0.4%
|
|
| 42 | 2 |
0.9%
|
|
| 60 | 3 |
1.3%
|
|
| 70 | 2 |
0.9%
|
|
| 100 | 1 |
0.4%
|
|
| 145 | 6 |
2.7%
|
|
| 159 | 3 |
1.3%
|
|
| 180 | 1 |
0.4%
|
|
| 230 | 7 |
3.1%
|
|
| 245 | 8 |
3.5%
|
|
| 300 | 1 |
0.4%
|
|
| Sysmiss | 374 |