| Value | Category | Cases | |
|---|---|---|---|
| 3 | 2 |
6.5%
|
|
| 5 | 3 |
9.7%
|
|
| 6 | 2 |
6.5%
|
|
| 8 | 2 |
6.5%
|
|
| 10 | 7 |
22.6%
|
|
| 13 | 1 |
3.2%
|
|
| 15 | 1 |
3.2%
|
|
| 20 | 5 |
16.1%
|
|
| 30 | 1 |
3.2%
|
|
| 40 | 2 |
6.5%
|
|
| 60 | 2 |
6.5%
|
|
| 77 | Don't know | 3 |
9.7%
|
| Sysmiss | 1025 |