| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 181 |
38.9%
|
| 0 | 6 |
1.3%
|
|
| 1 | 1 |
0.2%
|
|
| 2 | 3 |
0.6%
|
|
| 3 | 3 |
0.6%
|
|
| 5 | 8 |
1.7%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 2 |
0.4%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 24 |
5.2%
|
|
| 12 | 3 |
0.6%
|
|
| 15 | 25 |
5.4%
|
|
| 18 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 40 |
8.6%
|
|
| 23 | 1 |
0.2%
|
|
| 25 | 17 |
3.7%
|
|
| 28 | 3 |
0.6%
|
|
| 30 | 39 |
8.4%
|
|
| 32 | 1 |
0.2%
|
|
| 33 | 1 |
0.2%
|
|
| 35 | 7 |
1.5%
|
|
| 40 | 31 |
6.7%
|
|
| 45 | 6 |
1.3%
|
|
| 50 | 32 |
6.9%
|
|
| 55 | 2 |
0.4%
|
|
| 60 | 9 |
1.9%
|
|
| 70 | 2 |
0.4%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 6 |
1.3%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 4 |
0.9%
|
|
| 100 | 2 |
0.4%
|
|
| Sysmiss | 454 |