| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
4.6%
|
| 30 | 1 |
0.7%
|
|
| 50 | 5 |
3.3%
|
|
| 60 | 3 |
2%
|
|
| 65 | 2 |
1.3%
|
|
| 70 | 17 |
11.3%
|
|
| 75 | 11 |
7.3%
|
|
| 80 | 23 |
15.2%
|
|
| 85 | 4 |
2.6%
|
|
| 86 | 1 |
0.7%
|
|
| 89 | 1 |
0.7%
|
|
| 90 | 26 |
17.2%
|
|
| 92 | 1 |
0.7%
|
|
| 93 | 1 |
0.7%
|
|
| 95 | 9 |
6%
|
|
| 98 | 2 |
1.3%
|
|
| 99 | 6 |
4%
|
|
| 100 | 31 |
20.5%
|
|
| Sysmiss | 329 |