| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 25 |
2.2%
|
| 2 | 1 | 376 |
33.6%
|
| 3 | 2 | 143 |
12.8%
|
| 4 | 3 | 18 |
1.6%
|
| 5 | 4 | 1 |
0.1%
|
| Missing value | 556 |
49.7%
|