| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1%
|
| 0 | 199 |
95.2%
|
|
| 5 | 3 |
1.4%
|
|
| 10 | 1 |
0.5%
|
|
| 20 | 2 |
1%
|
|
| 100 | 2 |
1%
|