| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
3.7%
|
| 0 | 35 |
32.7%
|
|
| 1 | 7 |
6.5%
|
|
| 2 | 7 |
6.5%
|
|
| 3 | 5 |
4.7%
|
|
| 4 | 4 |
3.7%
|
|
| 5 | 10 |
9.3%
|
|
| 6 | 3 |
2.8%
|
|
| 7 | 1 |
0.9%
|
|
| 8 | 3 |
2.8%
|
|
| 10 | 2 |
1.9%
|
|
| 12 | 1 |
0.9%
|
|
| 14 | 1 |
0.9%
|
|
| 15 | 3 |
2.8%
|
|
| 18 | 1 |
0.9%
|
|
| 20 | 3 |
2.8%
|
|
| 25 | 1 |
0.9%
|
|
| 30 | 1 |
0.9%
|
|
| 35 | 1 |
0.9%
|
|
| 50 | 4 |
3.7%
|
|
| 55 | 1 |
0.9%
|
|
| 64 | 1 |
0.9%
|
|
| 80 | 3 |
2.8%
|
|
| 170 | 2 |
1.9%
|
|
| 198 | 1 |
0.9%
|
|
| 235 | 1 |
0.9%
|
|
| 600 | 1 |
0.9%
|
|
| Sysmiss | 271 |