| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 3 |
1.2%
|
| 0 | 144 |
55.4%
|
|
| 10 | 8 |
3.1%
|
|
| 16 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 13 |
5%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 8 |
3.1%
|
|
| 50 | 30 |
11.5%
|
|
| 55 | 1 |
0.4%
|
|
| 60 | 8 |
3.1%
|
|
| 70 | 7 |
2.7%
|
|
| 80 | 8 |
3.1%
|
|
| 90 | 3 |
1.2%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 22 |
8.5%
|
|
| Sysmiss | 826 |