| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 20 |
1.8%
|
| 2 | 1 | 119 |
10.7%
|
| 3 | 2 | 497 |
44.6%
|
| 4 | 3 | 25 |
2.2%
|
| 5 | 4 | 102 |
9.2%
|
| Missing value | 351 |
31.5%
|