| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
4.4%
|
| 0 | 65 |
28.4%
|
|
| 1 | 26 |
11.4%
|
|
| 2 | 37 |
16.2%
|
|
| 3 | 15 |
6.6%
|
|
| 4 | 15 |
6.6%
|
|
| 5 | 12 |
5.2%
|
|
| 6 | 7 |
3.1%
|
|
| 8 | 3 |
1.3%
|
|
| 9 | 3 |
1.3%
|
|
| 10 | 4 |
1.7%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 2 |
0.9%
|
|
| 13 | 1 |
0.4%
|
|
| 15 | 5 |
2.2%
|
|
| 18 | 2 |
0.9%
|
|
| 20 | 3 |
1.3%
|
|
| 25 | 2 |
0.9%
|
|
| 30 | 2 |
0.9%
|
|
| 40 | 4 |
1.7%
|
|
| 45 | 1 |
0.4%
|
|
| 57 | 2 |
0.9%
|
|
| 60 | 2 |
0.9%
|
|
| 75 | 1 |
0.4%
|
|
| 80 | 1 |
0.4%
|
|
| 150 | 1 |
0.4%
|
|
| 330 | 1 |
0.4%
|
|
| 400 | 1 |
0.4%
|
|
| Sysmiss | 987 |