| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
5.2%
|
| 1 | 8 |
3.8%
|
|
| 2 | 5 |
2.4%
|
|
| 3 | 3 |
1.4%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 4 |
1.9%
|
|
| 6 | 1 |
0.5%
|
|
| 10 | 4 |
1.9%
|
|
| 11 | 1 |
0.5%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 2 |
0.9%
|
|
| 17 | 1 |
0.5%
|
|
| 20 | 4 |
1.9%
|
|
| 25 | 10 |
4.7%
|
|
| 27 | 1 |
0.5%
|
|
| 28 | 2 |
0.9%
|
|
| 30 | 3 |
1.4%
|
|
| 33 | 3 |
1.4%
|
|
| 40 | 5 |
2.4%
|
|
| 50 | 31 |
14.6%
|
|
| 51 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| 63 | 1 |
0.5%
|
|
| 66 | 1 |
0.5%
|
|
| 70 | 2 |
0.9%
|
|
| 75 | 1 |
0.5%
|
|
| 78 | 1 |
0.5%
|
|
| 80 | 1 |
0.5%
|
|
| 85 | 1 |
0.5%
|
|
| 90 | 1 |
0.5%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 98 |
46.2%
|
|
| Sysmiss | 874 |