| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
16.5%
|
| -7 | Does not apply (spontaneous) | 42 |
43.3%
|
| 0 | 3 |
3.1%
|
|
| 10 | 1 |
1%
|
|
| 15 | 1 |
1%
|
|
| 50 | 4 |
4.1%
|
|
| 100 | 2 |
2.1%
|
|
| 200 | 2 |
2.1%
|
|
| 300 | 2 |
2.1%
|
|
| 500 | 6 |
6.2%
|
|
| 1000 | 3 |
3.1%
|
|
| 2000 | 3 |
3.1%
|
|
| 3000 | 3 |
3.1%
|
|
| 4000 | 3 |
3.1%
|
|
| 6000 | 1 |
1%
|
|
| 7000 | 1 |
1%
|
|
| 10000 | 2 |
2.1%
|
|
| 50000 | 1 |
1%
|
|
| 150000 | 1 |
1%
|