| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 0 |
0%
|
| 0 | 2 |
4.4%
|
|
| 10 | 2 |
4.4%
|
|
| 20 | 3 |
6.7%
|
|
| 40 | 1 |
2.2%
|
|
| 50 | 4 |
8.9%
|
|
| 60 | 1 |
2.2%
|
|
| 65 | 1 |
2.2%
|
|
| 100 | 31 |
68.9%
|
|
| Sysmiss | 103 |