| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 1 |
1.1%
|
| 5 | 1 |
1.1%
|
|
| 8 | 1 |
1.1%
|
|
| 10 | 3 |
3.3%
|
|
| 11 | 1 |
1.1%
|
|
| 15 | 60 |
65.9%
|
|
| 16 | 4 |
4.4%
|
|
| 17 | 1 |
1.1%
|
|
| 20 | 3 |
3.3%
|
|
| 21 | 1 |
1.1%
|
|
| 25 | 5 |
5.5%
|
|
| 26 | 2 |
2.2%
|
|
| 27 | 1 |
1.1%
|
|
| 28 | 2 |
2.2%
|
|
| 30 | 1 |
1.1%
|
|
| 32 | 3 |
3.3%
|
|
| 40 | 1 |
1.1%
|
|
| Sysmiss | 109 |