| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
5.1%
|
| 1 | 1 |
0.4%
|
|
| 5 | 3 |
1.1%
|
|
| 7 | 1 |
0.4%
|
|
| 10 | 7 |
2.6%
|
|
| 20 | 14 |
5.1%
|
|
| 25 | 4 |
1.5%
|
|
| 30 | 12 |
4.4%
|
|
| 33 | 1 |
0.4%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 14 |
5.1%
|
|
| 45 | 1 |
0.4%
|
|
| 50 | 31 |
11.3%
|
|
| 55 | 1 |
0.4%
|
|
| 56 | 1 |
0.4%
|
|
| 60 | 29 |
10.6%
|
|
| 65 | 4 |
1.5%
|
|
| 70 | 37 |
13.5%
|
|
| 75 | 13 |
4.7%
|
|
| 80 | 19 |
6.9%
|
|
| 85 | 7 |
2.6%
|
|
| 90 | 8 |
2.9%
|
|
| 95 | 2 |
0.7%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 48 |
17.5%
|
|
| Sysmiss | 318 |