| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.8%
|
| 0 | 2 |
0.8%
|
|
| 1 | 2 |
0.8%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 1 |
0.4%
|
|
| 40 | 3 |
1.2%
|
|
| 50 | 6 |
2.5%
|
|
| 60 | 6 |
2.5%
|
|
| 65 | 1 |
0.4%
|
|
| 70 | 8 |
3.3%
|
|
| 75 | 7 |
2.9%
|
|
| 80 | 18 |
7.5%
|
|
| 85 | 4 |
1.7%
|
|
| 90 | 32 |
13.3%
|
|
| 93 | 1 |
0.4%
|
|
| 95 | 15 |
6.2%
|
|
| 96 | 1 |
0.4%
|
|
| 99 | 2 |
0.8%
|
|
| 100 | 129 |
53.5%
|
|
| Sysmiss | 51 |