| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
2%
|
|
| 7 | 32 |
2.4%
|
|
| 12 | 7 |
0.5%
|
|
| 21 | 59 |
4.5%
|
|
| 30 | 33 |
2.5%
|
|
| Missing value | 1161 |
88%
|