| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
5.2%
|
| 1 | 30 |
13%
|
|
| 2 | 36 |
15.6%
|
|
| 3 | 26 |
11.3%
|
|
| 4 | 19 |
8.2%
|
|
| 5 | 15 |
6.5%
|
|
| 6 | 4 |
1.7%
|
|
| 7 | 5 |
2.2%
|
|
| 8 | 7 |
3%
|
|
| 9 | 4 |
1.7%
|
|
| 10 | 12 |
5.2%
|
|
| 11 | 3 |
1.3%
|
|
| 12 | 5 |
2.2%
|
|
| 13 | 5 |
2.2%
|
|
| 14 | 2 |
0.9%
|
|
| 15 | 7 |
3%
|
|
| 18 | 1 |
0.4%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 5 |
2.2%
|
|
| 21 | 1 |
0.4%
|
|
| 22 | 2 |
0.9%
|
|
| 24 | 1 |
0.4%
|
|
| 25 | 3 |
1.3%
|
|
| 28 | 2 |
0.9%
|
|
| 30 | 5 |
2.2%
|
|
| 32 | 2 |
0.9%
|
|
| 35 | 2 |
0.9%
|
|
| 40 | 1 |
0.4%
|
|
| 42 | 1 |
0.4%
|
|
| 45 | 1 |
0.4%
|
|
| 48 | 1 |
0.4%
|
|
| 50 | 1 |
0.4%
|
|
| 51 | 1 |
0.4%
|
|
| 70 | 3 |
1.3%
|
|
| 90 | 2 |
0.9%
|
|
| 100 | 1 |
0.4%
|
|
| 130 | 1 |
0.4%
|
|
| 300 | 1 |
0.4%
|
|
| Sysmiss | 146 |