| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 10 |
10.4%
|
|
| 20 | 3 |
3.1%
|
|
| 25 | 1 |
1%
|
|
| 30 | 2 |
2.1%
|
|
| 35 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 50 | 4 |
4.2%
|
|
| 55 | 1 |
1%
|
|
| 60 | 5 |
5.2%
|
|
| 65 | 3 |
3.1%
|
|
| 70 | 2 |
2.1%
|
|
| 75 | 1 |
1%
|
|
| 80 | 5 |
5.2%
|
|
| 85 | 1 |
1%
|
|
| 90 | 4 |
4.2%
|
|
| 95 | 1 |
1%
|
|
| 98 | 1 |
1%
|
|
| 100 | 50 |
52.1%
|
|
| Sysmiss | 284 |