| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 4 |
20%
|
| 15 | 1 |
5%
|
|
| 40 | 1 |
5%
|
|
| 50 | 2 |
10%
|
|
| 100 | 3 |
15%
|
|
| 500 | 1 |
5%
|
|
| 1300 | 1 |
5%
|
|
| 1700 | 1 |
5%
|
|
| 2000 | 1 |
5%
|
|
| 2500 | 1 |
5%
|
|
| 3500 | 1 |
5%
|
|
| 4000 | 2 |
10%
|
|
| 7000 | 1 |
5%
|
|
| Sysmiss | 115 |