| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
8.4%
|
| 0 | 4 |
1.5%
|
|
| 1 | 1 |
0.4%
|
|
| 3 | 2 |
0.8%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 5 |
1.9%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 8 |
3.1%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 18 |
6.9%
|
|
| 35 | 1 |
0.4%
|
|
| 36 | 1 |
0.4%
|
|
| 40 | 19 |
7.3%
|
|
| 50 | 16 |
6.1%
|
|
| 57 | 1 |
0.4%
|
|
| 60 | 22 |
8.4%
|
|
| 70 | 16 |
6.1%
|
|
| 72 | 1 |
0.4%
|
|
| 75 | 1 |
0.4%
|
|
| 78 | 1 |
0.4%
|
|
| 80 | 39 |
14.9%
|
|
| 85 | 1 |
0.4%
|
|
| 90 | 11 |
4.2%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 66 |
25.2%
|
|
| Sysmiss | 102 |