| Value | Category | Cases | |
|---|---|---|---|
| 20 | 8 |
1.7%
|
|
| 50 | 7 |
1.5%
|
|
| 80 | 11 |
2.4%
|
|
| 100 | 6 |
1.3%
|
|
| Missing value | 431 |
93.1%
|