| Value | Category | Cases | |
|---|---|---|---|
| 0 | 162 |
31.6%
|
|
| 1 | 29 |
5.7%
|
|
| 2 | 4 |
0.8%
|
|
| 3 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| Missing value | 315 |
61.5%
|