| Value | Category | Cases | |
|---|---|---|---|
| 1 | 134 |
3.4%
|
|
| 2 | 3 |
0.1%
|
|
| 4 | 50 |
1.3%
|
|
| 6 | 181 |
4.6%
|
|
| 8 | 31 |
0.8%
|
|
| Missing value | 3541 |
89.9%
|